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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.
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Shake well before using. Use a specially marked spoon or container to measure your dose. Household spoons are not accurate. Take your medicine at regular intervals. Do not take it more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
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
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):
Do not take this medicine with any of the following medications:
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
This medicine may also interact with the following medications:
other medicines for colds or allergy
medicines for depression, anxiety, or psychotic disturbances
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.
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Keep bottle tightly closed. Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
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
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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