Drug Reference

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Dextromethorphan Hydrobromide, Guaifenesin Oral tablet

Additional titles for this drug

Allfen DM 400mg-20mg Tablet, Bidex-DMI 20mg-400mg Tablet, Congesta DM 20mg-400mg Tablet, CVS Chest Congestion Relief DM 20mg-400mg Tablet, ExeFen-DM 55mg-1000mg Tablet, GNP Mucus Relief DM 20mg-400mg Tablet, GNP Tussin DM 20mg-400mg Tablet, Humibid CS Tablet, Mintab DM 1200mg-60mg Tablet, Mucus Relief DM 20mg-400mg Tablet, MucusRelief DM 20mg-400mg Tablet, Premier Value Chest Congestion and Cough Relief 20mg-400mg Caplet, Today's Health Chest Congestion Relief DM 20mg-4000mg Tablet, Today's Health Chest Congestion Relief DM 20mg-400mg Tablet, Walgreens Mucus Relief DM 20mg-400mg Tablet, Zotex DMX 775mg-57.5mg Tablet

What is this medicine?

DEXTROMETHORPHAN; GUAIFENESIN (dex troe meth OR fan; gwye FEN e sin) is a combination of a cough suppressant and expectorant. It is used for the temporary relief of coughs. This medicine is also used to loosen mucus.

How should I use this medicine?

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take your medicine at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 6 years old for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

  • breathing problems

  • confusion

  • excitement, nervousness, restlessness, or irritability

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • headache

  • stomach upset

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate

  • procarbazine

This medicine may also interact with the following medications:

  • other medicines for colds or allergy

  • medicines for depression or other mental disturbances

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Throw away any unused medicine after the expiration date.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • chronic bronchitis

  • kidney disease

  • liver disease

  • lung or breathing disease, like asthma or emphysema

  • unable to sit up

  • an unusual or allergic reaction to dextromethorphan, guaifenesin, other medicines, foods, dyes, bromides, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Do not treat yourself for a cough for more than 1 week without consulting your doctor or health care professional. If you have a high fever, skin rash, lasting headache, or sore throat, see your doctor.

Drink 6 to 8 glasses of water daily while you are taking this medicine to help loosen mucus.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.

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Medicap Pharmacy
105 Lincoln Way
Ames, IA 50010

Ph. 515-232-1653
Fx. 515-232-3382

Pharmacy Hours:

Monday - Friday:
8am - 6pm
Saturday:
9am - 1pm
Sunday:
Closed

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