DRUG INTERACTIONS: Inform your doctor about all the medications you use (both prescription and nonprescription) especially: anti-depressant/anti-anxiety drugs, sparfloxacin, grepafloxacin, guanethidine, guanadrel, cisapride, metrizamide, cabergoline, lithium, narcotic pain medication (e.g., codeine), drugs that help you sleep, muscle relaxants, drowsiness-causing antihistamines (e.g., diphenhydramine), any other drugs that cause drowsiness. Many cough-and-cold products contain ingredients that may add a drowsiness effect. Before using cough-and-cold medications, ask your doctor or pharmacist about the safe use of those products. 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. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include, restlessness, confusion, excitement, weakness, fatigue, fainting, dizziness, rapid or irregular heartbeat, small pupil size, tremors, difficulty in swallowing or breathing, excessive drowsiness, very low body temperature, or seizures.
NOTES: Do not share this medication with others.
MISSED DOSE: If you miss a dose and take 1 dose daily, take it as soon as remembered unless it is almost time for the next dose. In that case, skip the missed dose and resume your usual schedule. If you take more than 1 dose daily, take it as soon as possible if it is within an hour or so of the missed dose. If not remembered within an hour, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
STORAGE: Store below 86 degrees F (30 degrees C) away from sunlight and moisture. Do not store in the bathroom. Keep out of reach of children.
MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).
Last Editorial Review: 3/2/2005
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.
Need help identifying pills and medications?
Back to Medications Index