SIDE EFFECTS: This medication causes drowsiness and dizziness. Other side effects may include stomach upset, headache, weakness, grogginess or dreaming. If these effects persist or worsen, inform your doctor. Notify your doctor if you develop: chest pain, rapid heart rate, nosebleeds, confusion, hallucinations. In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor your medical history, especially about: liver problems, blood disorders (porphyria), asthma, any allergies. Avoid alcohol while taking this as it can lead to extreme drowsiness. Use caution performing tasks requiring alertness such as driving or using machinery. Elderly persons are usually more sensitive to the effects of this medication. Use cautiously. This drug is not recommended for use during pregnancy. Consult your doctor before using this drug. This drug is excreted into breast milk though its effects on the nursing infant are unknown. Consult your doctor before you breast-feed.
DRUG INTERACTIONS: Inform your doctor about all the medicines you use (both prescription and nonprescription), especially: "blood thinners" (e.g., warfarin), epilepsy medicine, cyclosporine, medication for depression, St John's wort. Also inform your doctor if you take any drugs that may cause drowsiness such as: narcotic pain medicines (e.g., codeine), antihistamines (e.g., diphenhydramine), muscle relaxants, alcoholic beverages. Barbiturates can decrease the effectiveness of oral birth control pills. Consult your doctor or pharmacist about using other birth control methods. Do not start or stop any medicine without doctor or pharmacist approval.
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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