Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (2023)

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (1) Are you looking for information aboutGuaifenesina (Mucinex)oMucinex-D (guaifenesina/pseudoefedrina)instead of this?

Mucinex DM (guaifenesin/dextromethorphan) is a combination medication used to relieve chest congestion and calm coughs. It's available without a prescription, so you don't need a prescription to get it. Most people do not experience any side effects, but it cannot be used in children under 4 years of age.

COMMON MARKS

Mucinex DM, Mucinex Fast-Max DM, Mucinex Children's Tough Mini-Melts, Robitussin Cough and Chest Congestion DM, Diabetic Tussin DM

DRUG CLASS

expectorant/cough suppressant

CLASSIFICATION OF CONTROLLED SUBSTANCES

It is not a controlled drug

GENERAL STATE

Cheaper Generics Available

AVAILABILITY

On the counter

Reviewed by:

Carter Havican, PharmD

Christina Aungst, PharmD

Last consulted on:

24 January 2021

commercial

What is Mucinex DM (guaifenesin/dextromethorphan)?

How Mucinex DM (guaifenesin/dextromethorphan) works

Mucinex DM (guaifenesin/dextromethorphan) is a combination of two drugs.

  • guaifenesinaIt is an expectorant that thins and loosens mucus in the lungs, making it easier to cough up.
  • dextrometorfanois a cough medicine that works on the part of your brain that makes you cough, calming you down and telling your body to cough less.

What is Mucinex DM (Guaiphenesin/Dextromethorphan) used for?

  • Coughing up phlegm caused by respiratory infections like the common cold

Mucinex DM (Guaiphenesin/Dextromethorphan) Dosage Forms

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (2)

haircut

200 mg/10 mg

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (3)

ml oral solution

200 mg/10 mg/5 ml200 mg/20 mg/10 ml200 mg/20 mg/20 ml400 mg/20 mg/20 ml

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (4)

ml of syrup

100 mg/10 mg/5 ml

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (5)

Tablet

(Video) Guaifenesin Nursing Considerations, Side Effects, and Mechanism of Action Pharmacology for Nurses

400 mg/20 mg600 mg/30 mg1200 mg/60 mg

Typical Dose of Mucinex DM (Guaifenesin/dextromethorphan)

Retardant tablet (Mucinex DM)

  • Adults and kids older than 12 years old:The typical dose is 1 to 2 tablets every 12 hours as needed. Do not take more than 4 tablets a day.
  • Children under 12 years:do not use

Adult syrup (Mucinex Fast-Max DM or Diabetic Tussin DM)

  • Adults and kids older than 12 years old:The typical dose is 2 to 4 teaspoons (10 ml to 20 ml) every 4 hours as needed. Do not take more than 6 doses in 24 hours.Follow the package directions carefully, as many manufacturers use slightly different concentrations of the two ingredients.
  • Children under 12 years:do not use

Children's Corn Syrup (Children's Mucinex Cough Syrup)

  • Children from 6 to 12 years old:The typical dose is 1 to 2 teaspoons (5 ml to 10 ml) every 4 hours as needed. Do not take more than 6 doses in 24 hours.
  • Children from 4 to 6 years:The typical dose is 1/2 to 1 teaspoon (2.5 ml to 5 ml) every 4 hours as needed. Do not take more than 6 doses in 24 hours.
  • Children under 4 years:do not use

Children's Granule Packets (Mucinex Children's Cough Mini-Melts)

  • Adults and kids older than 12 years old:Typical dosage is 2 to 4 oral packets every 4 hours as needed. Do not take more than 6 doses in 24 hours.
  • Children between 6 and 12 years:Typical dosage is 1 to 2 oral packets every 4 hours as needed. Do not take more than 6 doses in 24 hours.
  • Children between 4 and 6 years:The typical dosage is 1 oral packet every 4 hours as needed. Do not take more than 6 doses in 24 hours.
  • Children under 4 years:do not use

Frequently Asked Questions about Mucinex DM (guaifenesin/dextromethorphan)

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (6)

Can Mucinex DM (guaifenesin/dextromethorphan) increase my blood pressure?

High blood pressure is not a common side effect of Mucinex DM (guaifenesin/dextromethorphan). None of the main ingredients should have any effect on blood pressure when taken as recommended on the package. one in common useCold medicines, which can cause blood pressure problemsesPseudoefedrina (Sudafed), which is not found in Mucinex DM (Guaiphenesin/Dextromethorphan).

No, it shouldn't. The dextromethorphan in Mucinex DM (guaifenesin/dextromethorphan) helps reduce the urge to cough. Guaifenesin thins mucus that collects in the lungs and airways, making it easier to cough up.

Mucinex DM (guaifenesin/dextromethorphan) works quite quickly. You should notice relief within 15 to 30 minutes after your dose.

No, there is no decongestant in Mucinex DM (guaifenesin/dextromethorphan). The "DM" refers to the cough suppressant ingredient dextromethorphan. For other drugs that only have "D" in their name, it refers to decongestantpseudoefedrina, which is not contained in this medicine.

Mucinex DM (Guaifenesin/Dextromethorphan) should only be used for a short time. If you do not feel better after 7 days of use, talk to your provider.

Pros and cons of Mucinex DM (guaifenesin/dextromethorphan)

advantage

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (11)No side effects for most people.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (12)Sugar-free liquid available for people with diabetes

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (13)Available as a tablet, oral liquid, and soluble granules

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (14)Available over the counter

Disadvantages

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (15)It is not designed for long-term use.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (16)Many places require you to be over 18 to buy it.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (17)Interacts with certain medications that treat depression and Parkinson's disease

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (18)The main ingredient, dextromethorphan, is found in many over-the-counter products, making it easy to accidentally take too much.

Pharmaceutical advice for Mucinex DM (guaifenesin/dextromethorphan)

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (19)For best results, drink plenty of fluids while taking Mucinex DM (guaifenesin/dextromethorphan).

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (20)If you have trouble sleeping because of a cough, you can take Mucinex DM (guaifenesin/dextromethorphan) about 30 minutes before bed to start working and help you sleep through the night.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (21)if you take themretardant tabletversion of Mucinex DM (guaifenesin/dextromethorphan), swallow whole. Do not shred, break or chew the tablet.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (22)If you use theliquid formof Mucinex DM (guaifenesin/dextromethorphan), be sure to use a measuring cup, spoon, or syringe to measure your dose. Using household teaspoons may result in you taking the wrong amount of Mucinex DM (guaifenesin/dextromethorphan).

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (23)WhatDissolve packets of granulesof Mucinex DM (guaifenesin/dextromethorphan) contain phenylalanine, which can be dangerous for people with phenylketonuria (PKU). Regular tablets and solutions do not contain phenylalanine and would be much safer.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (24)If your cough lasts more than 7 days, call your provider. Mucinex DM (guaifenesin/dextromethorphan) is not intended for long-term use. There may be a better option to treat a cough.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (25)If you are taking Mucinex DM (guaifenesin/dextromethorphan) with other cough, cold, or allergy medications, read labels carefully to ensure you do not accidentally take too much of the ingredient dextromethorphan, as many contain this ingredient without a prescription. - free sale products. Ask your pharmacist if you are not sure if a product contains dextromethorphan.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (26)There are certain drugs that interact with Mucinex DM (guaifenesin/dextromethorphan). Before you start taking it, ask your pharmacist if it is safe to take this medication with your other medications.

(Video) My Mucinex DM Experience

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (27)

Mucinex DM (guaifenesin/dextromethorphan) prices start as low as $6.58with a GoodRx coupon. They are fast, easy to use and free!

show voucher prices

What side effects can Mucinex DM (Guaiphenesin/Dextromethorphan) have?

With every medication there are risks and benefits. Even if the drug works, some unwanted side effects may occur.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (28)Contact your doctor immediately if you experience any of the following symptoms:

  • Allergic reaction
  • overdose:Seizures, cardiac arrhythmias, unconsciousness
  • serotonin syndrome(verRisks and Warnings)

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (29)The following side effects may improve over time as your body adjusts to the medication. Tell your doctor right away if you continue to have these symptoms or if they worsen over time.

frequent side effects

  • Side effects are not common. WatchRisks and Warningsfor details.

Those:DailyMed

The following side effects have also been reported:

Side effects that you should report to your doctor or nurse as soon as possible:

  • allergic reactionlike rash,Itchourticaria, swelling of the face, lips, or tongue
  • confusion
  • Excitement, nervousness, restlessness, or irritability
  • slow or difficult breathing

Side effects that usually do not require medical attention (call your doctor or nurse if they persist or are bothersome):

  • headache
  • Stomach ache

What are the risks and warnings of Mucinex DM (guaifenesin/dextromethorphan)?

Mucinex DM (guaifenesin/dextromethorphan) can cause some serious health problems. This risk may be even greater for certain groups. If this concerns you, talk to your doctor or pharmacist about other options.

SEROTONE SYNDROME

  • Risk factor's:Taking other medicines that can affect serotonin levels in the brain

Serotonin syndrome is a rare but life-threatening condition in which there is too much serotonin in the brain. Serotonin is one of the chemicals in your brain responsible for your mood. Your risk is increased if you use Mucinex DM (guaifenesin/dextromethorphan) with other drugs that affect serotonin levels (eg, antidepressants, lithium, certain drugs used to treat Parkinson's disease). Tell your pharmacist about all medications and over-the-counter products you are taking before starting Mucinex DM (guaifenesin/dextromethorphan) so they can check for drug interactions. Symptoms of excess serotonin include fast heart rate, sweating, muscle stiffness or spasms, fever, and confusion. Tell your doctor or get medical help right away if you have any of these symptoms.

LONG-LASTING COUGH

Mucinex DM (guaifenesin/dextromethorphan) is only intended to treat cough in the short term. You should stop using this medicine and talk to your doctor if your cough lasts more than 7 days, if it stops and comes back, or if you develop other symptoms such as fever, rash, or headache that does not go away. These may be signs of a more serious condition that Mucinex DM (guaifenesin/dextromethorphan) cannot treat.

PEOPLE WITH CERTAIN PULMONARY PROBLEMS

Mucinex DM (guaifenesin/dextromethorphan) should not be used for chronic cough caused by conditions such as asthma, emphysema, smoking, and chronic bronchitis. If you have any of these conditions, talk to your doctor first before using this medicine.

DANGEROUS FOR CHILDREN UNDER 4 YEARS

Mucinex DM (guaifenesin/dextromethorphan) is not safe for children under 4 years of age. Using this medicine in young children can cause serious problems, including trouble breathing and even death. There are other medicines that are safer for young children. Talk to your child's provider or pharmacist to discuss alternatives.

(Video) 💊 what is guaifenesin?. Side effects, warnings, doses and uses of guaifenesin (Robitussin/Mucinex).

OVERDOSE AND ABUSE

Taking too much Mucinex DM (guaifenesin/dextromethorphan) can cause serious problems, including seizures, brain damage, abnormal heart rhythms (arrhythmias), unconsciousness, and death. One of the main ingredients, dextromethorphan, is found in several cough, cold, and allergy products, so be careful if you are taking more than one of these products. Some people, including teenagers, have been known to intentionally abuse Mucinex DM (guaifenesin/dextromethorphan). This can lead to an overdose and this is why many outlets require you to be over 18 years of age to purchase products containing dextromethorphan. It's always a good idea to store all medicines, including over-the-counter products, in a safe place out of the reach of children.

ALLERGIC REACTION

  • Risk factor's:Alergia al dextrometorfano (Delsym) o guaifenesina (Mucinex)

Serious allergic reactions to Mucinex DM (guaifenesin/dextromethorphan), including life-threatening problems such as anaphylaxis (closing of the throat), are possible. In this case, call 911. If you experience hives, rash, swelling of the lips or tongue, or difficulty breathing after using Mucinex DM (guaifenesin/dextromethorphan), call your doctor immediately. Tell your doctor if you have an allergy.Dextrometorfano (Delsym), oGuaifenesina (Mucinex)before you start taking Mucinex DM (guaifenesin/dextromethorphan).

EXCESS OF PHENYLALANINE

  • Risk factor's:History of Phenylketonuria (PKU)

Mucinex DM (guaifenesin/dextromethorphan) soluble granules (Mucinex Cough Mini-Melts for Kids) contain phenylalanine, which can be dangerous for people with phenylketonuria (PKU). Regular tablets and oral solutions do not contain phenylalanine and appear to be much safer. Talk to your provider if you have any questions.

What are people's opinions about Mucinex DM (guaifenesin/dextromethorphan)?

We asked 15 people what they thought about Mucinex DM (guaifenesin/dextromethorphan):

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (31)

61

-Age

Feminine

It's worth it

I drank a full glass of water with each dose as recommended. I'm not sure if that eliminated the potential side effects for me or just helped me stay hydrated. Anyway, my experience was good.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (32)

22

-Age

Feminine

It's worth it

Last winter I had this problem where I started coughing when I was going to sleep. I took that and 20 minutes later when I went to bed, no cough. After a week or so, the problem was gone. I came back later and this helped again.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (33)

48

-Age

Feminine

That is not worth it

I wish I had known that you can't take other cold and flu medications that are better at relieving a cough. In addition to dry throat and tears in the eyes.

Mucinex DM (Guaifenesin/Dextromethorphan): The Basics, Side Effects, and Reviews (34)

43

-Age

Feminine

I'm not sure

Helped with the cough, not so much phlegm.

How much does Mucinex DM (guaifenesin/dextromethorphan) cost?

Mucinex DM (guaifenesin/dextromethorphan) is available as a generic and can be significantly cheaper compared to the brand name version. Unless there is a specific reason you need the brand name drug, the generic drug is cheaper. For even more savings, use a GoodRx coupon and pay just a fraction of the retail price.

GoodRx Lowest Price
Guaifenesin / Dextromethorphan (Generic)

ps6.58

Prices based on the most populated versions:14 tablets Guaifenesin DM 1200 mg/60 mg

What are the alternatives to Mucinex DM (guaifenesin/dextromethorphan)?

There are a number of medications that your doctor may prescribe instead of Mucinex DM (guaifenesin/dextromethorphan). Compare some possible alternatives below.

Mucinex DM (Guaifenesina / Dextrometorfano)

drug class:expectorant/cough suppressant

Used for:

  • Coughing up phlegm caused by respiratory infections like the common cold

ps6.58

GoodRx lowest price

show prices

Robitussin AC (guaifenesin/codeine)

drug class:Opioids / expectorants

Used for:

  • Coughing up phlegm caused by respiratory infections like the common cold

ps5.92

GoodRx lowest price

show prices

Benzonatat (Thessaloniki)

drug class:antitussive

Used for:

  • Tos

ps7.00

GoodRx lowest price

show prices

(Video) Dextromethorphan ( Balminil DM ): What is Dextromethorphan Used for, Dosage and Side Effects

What is the latest news about Mucinex DM (Guaiphenesin/Dextromethorphan)?

How to Fix a Dry Cough Without a Prescription: Tips and Over-the-Counter Remedies

A dry cough can cause other symptoms, such as a sore throat and chest pain. Here's how you can relieve a dry cough with over-the-counter medicines and home remedies.

Get savings updates for Mucinex DM (guaifenesin/dextromethorphan).

Receive price alerts, updates and other news from GoodRx on Mucinex DM (Guaiphenesin/Dextromethorphan) and other relevant health topics and savings offers.

By signing up, I agree to GoodRxconditionsyPrivacy Policyand to receive marketing messages from GoodRx.

(Video) Mucinex DM Review - Look What I Coughed Up!

FAQs

Does Mucinex DM have side effects? ›

Dizziness, drowsiness, nausea, and vomiting may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects.

What are the negative side effects of Mucinex? ›

Get emergency medical help if you have signs of an allergic reaction to Mucinex: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
...
Common side effects of Mucinex may include:
  • dizziness;
  • headache;
  • rash;
  • nausea;
  • vomiting;
  • stomach upset.
14 Jun 2021

What is the side effects of dextromethorphan guaifenesin? ›

Common side effects of dextromethorphan and guaifenesin may include:
  • dizziness, drowsiness;
  • sleep problems (insomnia);
  • diarrhea; or.
  • feeling nervous, restless, anxious, or irritable;.
24 Oct 2022

Who should not use Mucinex DM? ›

Mucinex DM (guaifenesin / dextromethorphan) is not safe for children under 4 years old. Using this medication for children that young can cause serious problems, including trouble breathing and even death. There are other medications available that are safer for young children.

Does Mucinex DM affect your heart? ›

The pseudoephedrine in Mucinex D can affect your heart and increase your blood pressure. Symptoms of heart-related side effects include: increased heart rate.

Does guaifenesin make your heart race? ›

Guaifenesin is generally safe for heart patients. This drug is not known to elevate blood pressure. If an overdose of Guaifenesin is taken, it may cause severe effects on the heart and increase heart rate. For heart patients or any previous history of cardiac illness, take the drug under medical supervision.

Who should not take guaifenesin? ›

Also, guaifenesin should not be given to children and infants younger than 2 years of age unless you are directed to do so by your doctor. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years of age.

Can guaifenesin be harmful? ›

Overdose with guaifenesin is unlikely to produce toxic effects since its toxicity is low. Very large doses may cause nausea and vomiting. Tell your doctor or pharmacist as soon as possible if you do not feel well while you are using guaifenesin.

Does guaifenesin raise blood pressure? ›

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth. These medicines are not known to elevate blood pressure.

What are the dangers of dextromethorphan? ›

Advertisement
  • Blurred vision.
  • difficulty in urination.
  • drowsiness or dizziness.
  • nausea or vomiting (severe)
  • shakiness and unsteady walk.
  • slowed breathing.
  • unusual excitement, nervousness, restlessness, or irritability (severe)
1 Nov 2022

Why is dextromethorphan not recommended? ›

DXM might seem safe since it's sold over the counter. But large quantities can cause dangerous side effects, including loss of consciousness, seizures, brain damage, and death. One particularly dangerous side effect of DXM is hyperthermia — extremely high fever.

Who should not take dextromethorphan? ›

Dextromethorphan is used to relieve coughs due to colds or influenza (flu). It should not be used for chronic cough that occurs with smoking, asthma, or emphysema or when there is an unusually large amount of mucus or phlegm (flem) with the cough.

Is Mucinex DM good for Covid? ›

Over-the-counter medications used for upper respiratory infections may help alleviate symptoms. Those medications include guaifenesin (Mucinex), pseudoephedrine (Sudafed), and dextromethorphan (Robitussin, Delsym).

Why should you not take Mucinex? ›

May not be suitable for people with a persistent cough due to asthma, bronchitis, emphysema, or smoking, or who have a cough that is producing excessive amounts of phlegm. Talk with your doctor first before using Mucinex if you are pregnant or breastfeeding.

Should I take Mucinex before bed? ›

Avoid taking this medication close to bedtime, since you might have trouble sleeping due to the pseudoephedrine. Mucinex D (guaifenesin / pseudoephedrine) can raise your blood pressure. Make sure your provider knows if you have heart problems or high blood pressure before you start taking it.

Does Mucinex DM affect blood pressure? ›

Mucinex DM contains dextromethorphan and Guaifenesin. Both of these do not affect blood pressure.

Does Mucinex bother blood pressure? ›

The pseudoephedrine in Mucinex D can affect your heart and increase your blood pressure. Symptoms of heart-related side effects include: increased heart rate.

How long does Mucinex DM stay in your system? ›

The dextromethorphan half-life is about 3 to 4 hours, meaning that dextromethorphan can stay in your system for about 6 to 8 hours.

When should you not take guaifenesin? ›

Guaifenesin is only meant to treat short-term coughs. You should stop using this medication and talk to your provider if your cough lasts longer than 7 days, if it stops and returns, or if you develop other symptoms such as a fever, rash, or headache that doesn't go away.

Does guaifenesin affect sleep? ›

Dizziness, drowsiness, headache, upset stomach, nausea, constipation, nervousness, or trouble sleeping may occur. If any of these effects last or get worse, contact your doctor or pharmacist promptly.

Can guaifenesin cause breathing problems? ›

The risk for severe breathing problems is higher when you start this medication, or if you take the wrong dose or take more of this medication than prescribed. Taking this medication with alcohol or other drugs that can cause drowsiness or breathing problems may cause very serious side effects, including death.

Can guaifenesin make mucus worse? ›

Guaifenesin, an oral mucolytic and expectorant has been shown to facilitate the removal of mucus from the respiratory tract by making bronchial secretions less viscous and increasing sputum volume [2].

How does guaifenesin make you feel? ›

Nausea and vomiting are the most commonly reported side effects; constipation, dizziness, headache, and rash are reported rarely. Side effects are generally mild at low dosages. Do not use it in children younger than 4. There are no controlled or adequate studies investigating the use of guaifenesin in pregnant women.

Why do you have to drink water with guaifenesin? ›

Drinking plenty of water while taking guaifenesin may help loosen mucus or phlegm in the lungs.

How long does guaifenesin stay in your system? ›

Guaifenesin has a half-life of one hour, which can be reasonably considered a short time. The drug's effects also peak about an hour after being taken. After that time, the effects begin to wear off. A standard 400 mg dose is completely eliminated after eight hours.

Does guaifenesin affect blood sugar? ›

Drugs That Can Cause HYPERGLYCEMIA (High Blood Sugar) Cont'd

Ephedrine and Guaifenesin (Primatene ® tablets, OTC - this medication includes ephedrine and guaifenesin.

Does guaifenesin make you anxious? ›

dizziness, drowsiness; sleep problems (insomnia); diarrhea; or. feeling nervous, restless, anxious, or irritable;.

What's the difference between Mucinex and Mucinex DM? ›

by Drugs.com

Mucinex D is (guaifenesin and pseudoephedrine) is an expectorant/nasal decongestant combination, and Mucinex DM (guaifenesin and dextromethorphan) is an expectorant/cough suppressant combination.

How does dextromethorphan affect the heart? ›

This medicine can cause changes in heart rhythms, such as a condition called QT prolongation. It may change the way your heart beats and cause fainting or serious side effects in some patients.

How do you reverse the effects of dextromethorphan? ›

Naloxone has been shown to be effective in antagonizing the effects of a number of narcotic and related drugs. Its successful use in managing a patient with an overdose of dextromethorphan extends its application as a specific antidote.

What part of the brain does dextromethorphan affect? ›

The results showed that dextromethorphan increased c-Fos expression dose dependently in the anterior cingulate cortex, caudate putamen, nucleus accumbens, and central amygdala. Significant ataxia occurred and both locomotor and rearing activity decreased immediately after the dextromethorphan injection.

Does dextromethorphan make Covid worse? ›

There is currently no clinical data indicating that the cough suppressant dextromethorphan has a pro-viral effect in people with COVID-19 infection. The study results published in Nature are experimental, preliminary, and not conclusive. The Nature article is based on a hypothesis generating non-clinical study.

Does dextromethorphan affect sleep? ›

Insomnia was reported more frequently in those who were given dextromethorphan, and drowsiness was reported more commonly in those who were given diphenhydramine.

What is the difference between dextromethorphan and guaifenesin? ›

Dextromethorphan is a cough suppressant that affects signals in the brain that trigger cough reflex. Guaifenesin is an expectorant that loosens congestion in your chest and throat.

Why you shouldn't use a cough suppressant? ›

A review of studies found no proof that common over-the-counter drugs help with your cough. This includes suppressants like dextromethorphan, which block your cough reflex, and expectorants like guaifenesin, which are supposed to loosen up mucus in the airways.

Is dextromethorphan hard on kidneys? ›

Dextromethorphan in doses recommended by the manufacturer is a safe medication for patients with a single kidney. I would also suggest, however, that you always notify your primary care physician of any over the counter medications that you take.

Is it better to cough or suppress? ›

Don't suppress a productive cough too much, unless it is keeping you from getting enough rest. Coughing is useful, because it brings up mucus from the lungs and helps to prevent bacterial infections.

What is a Covid cough like? ›

A dry cough is one of the most common coronavirus symptoms, but some people may have a cough with phlegm (thick mucus). It can be difficult to control your cough but there are a few ways to help.

What is good for Covid cough? ›

Use a hot shower, humidifier, vaporizer or other means of making steam. It will soothe a sore throat and open your airways, making it easier to breathe. Eat a frozen treat. The coldness may help numb the pain and soothe your throat if it is sore from coughing.

What do doctors prescribe for Covid cough? ›

Use medications containing guaifenesin, such as Robitussin, Mucinex, and Vicks 44E. keeping you from getting rest. Coughing is useful because it brings up mucus from the lungs and helps prevent bacterial infections.

Why does my cough get worse at night? ›

Coughing often worsens at night because a person is lying flat in bed. Mucus can pool in the back of the throat and cause coughing. Sleeping with the head elevated can reduce the symptoms of postnasal drip and GERD. Both can cause coughing at night.

How do you make someone stop coughing? ›

Natural Cough Remedies
  1. Honey. 1/12. A teaspoon or two of honey may cut mucus production. ...
  2. Hot Drinks. 2/12. Hot drinks won't ease a stuffy head, but they can soothe a cough much better than room temperature drinks. ...
  3. Ginger. 3/12. ...
  4. Water. 4/12. ...
  5. Steam. 5/12. ...
  6. Neti Pot. 6/12. ...
  7. Elderberry. 7/12. ...
  8. Menthol. 8/12.
16 Aug 2021

Will dextromethorphan keep you awake? ›

Does Dextromethorphan keep you awake? Contrary to that, DXM has been reported to induce drowsiness in therapeutic and higher than recommended doses. DXM acts as a central nervous system depressant and generates sedative, dissociative effects.

Can you take Mucinex DM everyday? ›

Do not take this medication for more than 7 days unless your doctor tells you to do so. Tell your doctor if your condition lasts longer than 7 days.

How long does it take to get Mucinex DM out of your system? ›

Dextrorphan has its own half-life. Once you crunch the math on all of this, both dextromethorphan and dextrorphan are usually eliminated within two days after taking the last dose of Mucinex DM.

What drugs should not be taken with guaifenesin? ›

Guaifenesin has no known severe, serious, moderate, or mild interactions with other drugs.

Can Mucinex DM raise blood pressure? ›

Will Mucinex raise blood pressure? No, Mucinex does not raise blood pressure. It does not have any ingredients that affect blood pressure. Therefore, it is considered safe in people with high blood pressure.

What does the D stand for in Mucinex DM? ›

Guaifenesin makes mucus easier to cough up, while dextromethorphan (the "DM" in Mucinex Dm (Dextromethorphan / Guaifenesin)) stops you from coughing.

When should you stop taking Mucinex? ›

You should stop using this medication and talk to your provider if your cough lasts longer than 7 days, if it stops and returns, or if you develop other symptoms such as a fever, rash, or headache that doesn't go away. These can be signs of a more serious condition that guaifenesin won't be able to treat.

Does Mucinex DM make you nervous? ›

Common side effects of Mucinex DM may include:

feeling nervous, restless, anxious, or irritable;.

Videos

1. What Vaping Does to the Body
(Institute of Human Anatomy)
2. A Student Drank 2 Bottles Dextromethorphan. This Is What Happened To Her Brain.
(Chubbyemu)
3. Medications to Avoid with Enlarged Prostate | Reduce Symptoms and Risk of Prostate Enlargement
(JJ Medicine)
4. In Depth: Treating COVID-19 symptoms at home
(ABC 10 News)
5. NCLEX Prep (Pharmacology): Guaifenesin (Mucinex)
(Clinical Cousins)
6. ANTIHISTAMINES AND ANTITUSSIVES | Classification | Indication | Mode of Action | Side Effects by ANC
(Ambition Nursing Classes)
Top Articles
Latest Posts
Article information

Author: Dong Thiel

Last Updated: 04/07/2023

Views: 5703

Rating: 4.9 / 5 (79 voted)

Reviews: 94% of readers found this page helpful

Author information

Name: Dong Thiel

Birthday: 2001-07-14

Address: 2865 Kasha Unions, West Corrinne, AK 05708-1071

Phone: +3512198379449

Job: Design Planner

Hobby: Graffiti, Foreign language learning, Gambling, Metalworking, Rowing, Sculling, Sewing

Introduction: My name is Dong Thiel, I am a brainy, happy, tasty, lively, splendid, talented, cooperative person who loves writing and wants to share my knowledge and understanding with you.