DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription medication you may use, especially: digoxin, quinidine, amiodarone, adrenalin-like drugs (e.g., ephedrine, pseudoephedrine), clonidine, anti-diabetes medicine (e.g., glyburide, insulin, metformin), cimetidine, indomethacin, guanethidine, reserpine, MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, selegiline, tranylcypromine), certain migraine drugs (e.g., ergot alkaloids such as ergotamine). Tell your doctor if you take any drugs that cause drowsiness such as: medicine for sleep (e.g., sedatives, tranquilizers), anti-anxiety drugs (e.g., diazepam, lorazepam), narcotic pain relievers (e.g., codeine, morphine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine or tricyclic antidepressants such as amitriptyline), anti-seizure drugs (e.g., carbamazepine, topiramate), muscle relaxants, certain antihistamines (e.g., diphenhydramine). Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask your pharmacist about the safe use of these products. This drug is not recommended for use with certain injectable calcium channel blockers (e.g., diltiazem, verapamil). Ask your doctor or pharmacist for more details. 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: unusually slow heartbeat, severe trouble breathing, seizures, loss of consciousness.
NOTES: Do not share this medication with others. Laboratory and/or medical tests may be performed to monitor your progress. Have your blood pressure checked regularly while taking this medication. It may be best to learn how to monitor your own blood pressure. Discuss this with your doctor.
MISSED DOSE: 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 59 and 86 degrees F (15 and 30 degrees C) away from light and moisture.
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
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