GENERIC NAME: GUAIFENESIN & GUAIFENESIN W/PSEUDOEPHEDRINE KIT - ORAL (gweye-FEN-eh-sin/sue-doh-eff-ED-rin)
BRAND NAME(S): Med-Rx, Syn-Rx
Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage
USES: Guaifenesin is an expectorant used to help clear mucous and chest congestion. Pseudoephedrine is a decongestant that relieves nasal congestion. Dextromethorphan is a cough suppressant that relieves dry, hacking coughs. This combination of medicines is used to treat symptoms due to colds, allergies, or certain upper respiratory tract infections (e.g., bronchitis, sinusitis).
HOW TO USE: Take this medication by mouth with a full glass of water usually every 12 hours or as directed by your doctor. This medication must be swallowed whole. Do not crush or chew the tablets. This kit comes with different colored morning doses and evening doses. Ask your doctor or pharmacist how to use this medication correctly and follow all instructions carefully. Do not increase your dose, take it more frequently, nor take it for longer periods of time than prescribed. If stomach upset occurs, you may take this with food or milk. It is recommended you drink plenty of clear fluids (water preferred; 6-8 glasses a day) to help relieve congestion.
SIDE EFFECTS: Nausea, headache, loss of appetite, nervousness, or dizziness, or rash may occur. If any of these effects persist or worsen notify your doctor or pharmacist promptly. Tell your doctor immediately if you develop any of these serious side effects: blurred vision, unusually fast heartbeat, difficulty urinating (men only), trouble sleeping. Tell your doctor immediately if you develop any of these unlikely but serious side effects: chest pain, irregular heartbeat, mental/mood changes, convulsions. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor your medical history, especially of: high blood pressure, heart problems, diabetes, glaucoma, thyroid problems, enlarged prostate, seizures, allergies (especially to other cough-and-cold products). Because this medication may make you dizzy, use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages. Elderly patients may be more sensitive to the effects of this product. Use cautiously. This drug should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. The pseudoephedrine in this combination product passes into breast milk and may have undesirable effects on a nursing infant. Therefore, this product is not recommended for use by nursing mothers.
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.
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