• Uses

This medication is an antihistamine and decongestant combination which provides relief of seasonal and perennial allergy symptoms such as watery eyes, runny nose (rhinitis), itching eyes, sneezing, and stuffy nose (nasal congestion).

• Directions

Take this medication by mouth twice daily; or use as directed by your doctor. This drug may be taken with or without food.
Swallow the tablet whole. Do not break, crush, or chew the tablet; this will destroy the drug's long action and increase the chance of side effects.
Do not increase your dose or take this more often than directed.

• Side Effects

Drowsiness, fatigue, dry mouth, dizziness, nervousness, nausea, headache, or trouble sleeping may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these serious side effects occur: fast/irregular heartbeat, uncontrolled shaking or tremor.
Tell your doctor immediately if any of these unlikely but serious side effects occur: yellowing eyes or skin, dark urine, persistent fatigue, mental/mood changes, seizures, trouble breathing, trouble urinating.
A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

• Precautions

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: glaucoma (narrow angle type), severe difficulty urinating (urinary retention), severe high blood pressure, severe heart/blood vessel disease (coronary artery disease), experienced serious side effects with decongestants (e.g., irregular heart rhythm).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, problems urinating (e.g., enlarged prostate), liver disease, high blood pressure, diabetes, heart disease, thyroid problems (hyperthyroidism), glaucoma (open angle type).
This drug may make you dizzy or drowsy; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages.

• Drug Interactions

This drug should not be used with or within 14 days of taking MAO inhibitors (e.g., furazolidone, linezolid, moclobemide, phenelzine procarbazine, rasagiline, selegiline, isocarboxazid, tranylcypromine).
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: adrenalin-like drugs (e.g., ephedrine, methylphenidate), certain blood pressure drugs (e.g., methyldopa, guanethidine, reserpine, beta-blockers such as propranolol), certain herbal products (e.g., ephedra).
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of drugs that cause drowsiness such as: anti-anxiety drugs (e.g., diazepam), other antihistamines that cause drowsiness (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep (e.g., sedatives), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline), tranquilizers.

• Overdose

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include: severe drowsiness, irregular or unusually fast heartbeat, seizures.

• Missed dosage

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

• Storage

Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.