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GUAIFENESIN; PSEUDOEPHEDRINE (gwye FEN e sin; soo doe e FED rin) is a decongestant, expectorant combination. It is used to provide relief from cough and congestion. This medicine will not treat an infection.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
They need to know if you have any of the following conditions:
blood vessel disease
heart disease or heart rhythm problems
high blood pressure
other chronic disease
over active thyroid
an unusual or allergic reaction to guaifenesin, pseudoephedrine, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Do not crush or chew. Take your doses at regular times. Do not take more medicine 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 2 years old for selected conditions, precautions do apply.
Patients over 60 years old may have a stronger reaction to this medicine and need smaller doses.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
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.
Do not take this medicine with any of the following medications:
ergot alkaloids like dihydroergotamine, ergonovine, ergotamine, methylergonovine
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
This medicine may also interact with the following medications:
medicines for blood pressure
medicines for colds or allergies
medicines for depression, anxiety, or psychotic disturbances
medicines for sleep
some herbal or nutritional supplements
some medicines for Parkinson's disease
stimulant medicines for attention disorders, weight loss, or to stay awake
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Tell your doctor or health care professional if your symptoms do not improve within 5 days or if they get worse. If you have trouble falling asleep at night, take the last dose of the day at least a few hours before bedtime.
Drink water as instructed while you are taking this medicine to help loosen mucus.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.
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
difficulty passing urine
fast or irregular heartbeat
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
anxiety, excitement, irritability, nervousness
loss of appetite
stomach upset, nausea
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from heat and moisture. Throw away any unused medicine after the expiration date.
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 medicine. Household spoons are not accurate. Note that some liquid products contain alcohol. Take your doses at regular times. Do not take more medicine than directed.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F), unless otherwise specified on the product label. Do not freeze. Protect from heat and moisture. Throw away any unused medicine after the expiration date.