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Guaifenesin and Phenylpropanolamine HCl oral
GUAIFENESIN W/PHENYLPROPANOLAMINE - ORAL TABLET SUSTAINED ACTION

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.

GUAIFENESIN W/PHENYLPROPANOLAMINE - ORAL TABLET SUSTAINED ACTION

(gweye-FEN-eh-sin WITH FEN-ull-pro-puh-NO-luh-meen)

COMMON BRAND NAME(S): Dura-Vent, Entex LA

Uses

Guaifenesin helps to loosen mucus. Phenylpropanolamine is a decongestant. This combination medication is used to relieve nasal congestion and symptoms associated with the common cold, allergies, hay fever, sinusitis and other respiratory illnesses.

How To Use

This medication is best taken with a full glass of water after a meal or snack. The tablet can be broken in half. However, the whole or half tablet should be swallowed whole. Do not crush or chew the tablet before swallowing it. The long action will be destroyed and the chance of side effects will be increased. Do not increase your dose or take this more often than directed.

Side Effects

Dizziness, headache, loss of appetite, nausea, nervousness or insomnia may occur the first several days as your body adjusts to the medication. Should these effects continue or become bothersome, inform your doctor. Notify your doctor if you develop: chest pain, a rapid pulse, skin rash, high blood pressure, tremors, nervousness. If you notice other effects not listed above, contact your doctor or pharmacist.

Precautions

Tell your doctor if you have: kidney disease, heart disease, lung disease, asthma, emphysema, high blood pressure, an overactive thyroid, diabetes, glaucoma, prostate trouble, depression, any allergies. This product contains phenylpropanolamine (PPA). The FDA has recently given warnings regarding PPA side effects. Consult your pharmacist promptly about this. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Also limit your intake of alcoholic beverages which will aggravate these effects.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may take, including: blood pressure drugs, antidepressants, indomethacin, MAO inhibitors (e.g., furazolidone, linezolid, phenelzine, selegiline, tranylcypromine). Do not start or stop any medicine without doctor or pharmacist approval.

Overdose

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include vomiting, numbness or tingling in arms or legs, irregular heartbeat, and seizures.

Notes

Drink plenty of fluids, especially water while taking this medication. It will help to break up mucus and clear congestion.

Missed Dose

If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

Storage

Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.