- Finding Relief for Your Cough Slideshow
- Take the Cold & Flu Quiz
- Cold & Flu Slideshow: Treating Your Child's Cold or Fever
- What is Mucinex DM?
- Is Mucinex DM available as a generic drug?
- Do I need a prescription for Mucinex DM?
- What brand names are available for Mucinex DM?
- Why is Mucinex DM prescribed to patients?
- What are the side effects of Mucinex DM?
- What is the dosage for Mucinex DM?
- Which drugs or supplements interact with Mucinex DM?
- Is Mucinex DM safe to use during pregnancy or while breastfeeding?
- What else should I know about Robitussin DM?
What is Mucinex DM?
Why is Mucinex DM prescribed to patients?
Guaifenesin and dextromethorphan temporarily relieve cough due to minor throat and bronchial irritations that are associated with cold. Guaifenesin/dextromethorphan also help loosen mucus and thin bronchial secretions.
What are the side effects of Mucinex DM?
Side effects of guaifenesin and dextromethorphan are:
What is the dosage for Mucinex DM?
Adults and children 12 years of age and older:
- Robitussin DM and Robitussin DM Maximum Strength (liquid): Take 10 ml by mouth every 4 hours as needed. No more than 6 doses in 24 hours.
- Mucinex Fast-Max DM: Take 20 ml by mouth every 4 hours. No more than 6 doses in 24 hours.
- Robitussin DM Maximum Strength (capsules): Take 2 capsules by mouth every 4 hours as needed. No More than 12 capsules in 24 hours.
- Mucinex DM: Take 1 or 2 tablets by mouth every 12 hours. No more than 4 tablets in 24 hours.
- Mucinex DM Maximum Strength: Take 1 tablet by mouth every 12 hours. No more than 2 tablets in 24 hours.
Safe and effective use of guaifenesin and dextromethorphan is not established for children under 12 years of age.
Which drugs or supplements interact with Mucinex DM?
Guaifenesin/dextromethorphan should not be used with MAO inhibitors like phenelzine (Nardil), selegiline (Zelapar, Emsam, and Eldepryl), tranylcypromine (Parnate), procarbazine (Matulane), rasagiline (Azilect) and isocarboxazid (Marplan). Such combinations increase the risk of serious side effects. Guaifenesin/dextromethorphan should not be used within 14 days of using a MAO inhibitor.
Latest MedicineNet News
Is Mucinex DM safe to use during pregnancy or while breastfeeding?
There are no adequate studies done on guaifenesin and dextromethorphan determine safe and effective use in pregnant women.
What else should I know about Robitussin DM?
What preparations of Mucinex DM are available?
Robitussin DM, Robitussin DM Maximum Strength, and Mucinex Fast-Max DM are available as oral liquid form.
- Robitussin DM contains 100 mg of guaifenesin and 10 mg of dextromethorphan in each 5 ml of liquid.
- Robitussin DM Maximum Strength and contains
400 mg of guaifenesin and 20 mg of dextromethorphan in each 10 ml of liquid.
- Robitussin DM Maximum Strength is available in 4 fluid ounce (120 ml) and 8 fluid ounce (240 ml) bottles. Mucinex Fast-Max DM is available in 6 fluid ounce (180 ml) bottles.
- Robitussin DM Maximum Strength is also available as liquid-filled capsules, containing 200 mg of guaifenesin and 10 mg of dextromethorphan in each capsule. Robitussin DM Maximum Strength is available in a package of 20 capsules.
- Mucinex Fast-Max DM contains 400 mg of
guaifenesin and 20 mg of dextromethorphan in each 20 ml of liquid.
- Mucinex DM and Mucinex DM Maximum Strength are available as extended-release oral tablet form.
- Mucinex DM contains 600 mg of Guaifenesin and 30 mg of Dextromethorphan in each tablet, available as 20 tablets per package.
- Mucinex DM Maximum Strength contains 1200 mg of Guaifenesin and 60 mg of Dextromethorphan in each tablet, available as 14 tablets per package.
How should I keep Mucinex DM stored?
Store at room temperature between 15 C and 30 C (59 F and 86 F). Do not store liquid formulations in the refrigerator.
How does Mucinex DM work?
Guaifenesin is an expectorant, which works by thinning oral mucus and increasing mucus volume. Dextromethorphan works on the cough center in the brain. It disrupts sensitivity of cough receptors and interrupts transmission of cough impulses.
Guaifenesin and dextromethorphan hydrobromide (Robitussin DM, Robitussin DM Maximum Strength (liquid), Robitussin DM Maximum Strength (capsules), Mucinex DM, Mucinex DM Maximum) is an OTC used to temporarily relieve cough due to minor bronchial and throat irritation associated with the common cold. Side effects, drug interactions, dosage, storage, and pregnancy safety information should be reviewed prior to taking this medication.
Multimedia: Slideshows, Images & Quizzes
Common Cold Quiz: Test Your Medical IQ
Take this quiz to learn the truth behind the infectious, contagious, uncomfortable disease known as the common cold. Test your...
Cold & Flu Quiz: Influenza vs. Common Cold
Aches? Pain? Fever? This Cold & Flu Quiz tests your knowledge on the difference between coming down with the common cold and...
What happens within the body when a person develops bronchitis? Take this quick quiz to learn the causes, symptoms, treatments,...
Natural Remedies for Cold and Flu
What natural remedies work for the flu and common cold? Many claim cold symptoms and flu symptoms can be relieved with Echinacea,...
How to Prevent the Common Cold
The common cold is arguably the most common human illness. Learn how long the common cold lasts, treatment for the common cold...
Cold, Fever and Flu Treatment in Children: Medications and Home Remedies
Colds and fevers are some of the most common ailments in children. Learn common cold symptoms, treatment options, over the...
Related Disease Conditions
Cough: 19 Tips on How to Stop a Cough
Coughing is a reflex that helps a person clear their airways of irritants. There are many causes of an excessive or severe cough including irritants like cigarette and secondhand smoke, pollution, air fresheners, medications like beta blockers and ACE inhibitors, the common cold, GERD, lung cancer, and heart disease.Natural and home remedies to help cure and soothe a cough include stay hydrated, gargle saltwater, use cough drops or lozenges, use herbs and supplements like ginger, mint, licorice, and slippery elm, and don't smoke. Over-the-counter products (OTC)to cure and soothe a cough include cough suppressants and expectorants, and anti-reflux drugs. Prescription drugs that help cure a cough include narcotic medications, antibiotics, inhaled steroids, and anti-reflux drugs like proton pump inhibitors or PPIs, for example, omeprazole (Prilosec), rabeprazole (Aciphex), and pantoprazole (Protonix).
What Is Mucus?
Mucus is a normal substance produced by lining tissues in the body. Excess mucus or mucus that is yellow, green, brown, or bloody may indicate a problem. Mucus production may increase when allergies, a cold, flu, cough, or sore throat are present. Antihistamines and cold and flu medications may help alleviate excess mucus. A neti pot may be used to decrease nasal congestion and clear mucus.
The common cold (viral upper respiratory tract infection) is a contagious illness that may be caused by various viruses. Symptoms include a stuffy nose, headache, cough, sore throat, and maybe a fever. Antibiotics have no effect upon the common cold, and there is no evidence that zinc and vitamin C are effective treatments.
Chronic cough is a cough that does not go away and is generally a symptom of another disorder such as asthma, allergic rhinitis, sinus infection, cigarette smoking, GERD, postnasal drip, bronchitis, pneumonia, medications, and less frequently tumors or other lung disease. Chronic cough treatment is based on the cause, but may be soothed natural and home remedies.
Bronchitis (Acute) Contagoius Symptoms, Causes, Treatment, and Recovery Time
Bronchitis is inflammation of the airways in the lung. Acute bronchitis is is short in duration (10 to 20 days) in comparison with chronic bronchitis, which lasts for months to years. Causes of acute bronchitis include viruses and bacteria, which means it can be contagious. Acute bronchitis caused by environmental factors such as pollution or cigarette smoke is not contagious. Common symptoms for acute bronchitis include nasal congestion, cough, headache, sore throat, muscle aches, and fatigue. Acute bronchitis in children also my include runny nose, fever, and chest pain. Treatment for acute bronchitis are OTC pain relievers, cough suppressants (although not recommended in children), and rest. Infrequently antibiotics may be prescribed to treat acute bronchitis.
Cold, Flu, Allergy Treatments
Before treating a cold, the flu, or allergies with over-the-counter (OTC) medications, it's important to know what's causing the symptoms, which symptoms one wishes to relieve, and the active ingredients in the OTC product. Taking products that only contain the medications needed for relieving your symptoms prevents ingestion of unnecessary medications and reduces the chances of side effects.
Children's Cough Causes and Treatments
Children's cough causes include infection, acid reflux, asthma, allergies or sinus infection, whooping cough, and exposure to irritants. Treatment for a child's cough include cough medicine for children over the age of four.
Emphysema, Chronic Bronchitis, and Colds
If you have a COPD such as emphysema, avoiding chronic bronchitis and colds is important to avoid a more severe respiratory infection such as pneumonia. Avoiding cigarette smoking, practice good hygeine, stay away from crowds, and alerting your healthcare provider if you have a sinus infection or cold or cough that becomes worse. Treatment options depend upon the severity of the emphysema, bronchitis, or cold combination.
Treatment & Diagnosis
Prevention & Wellness
Subscribe to MedicineNet's General Health Newsletter
Health Solutions From Our Sponsors
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
FDA Prescribing Information.
Medscape. dextromethorphan/guaifenesin (OTC).