guanethidine-oral, Ismelin (cont.)
DRUG INTERACTIONS: Before taking guanethidine, tell your doctor of all drugs you may use both prescription and nonprescription, especially: antidepressants, MAO inhibitors (e.g., furazolidone, linezolid, phenelzine, selegiline, tranylcypromine), drugs for mental conditions (e.g., phenothiazines, haloperidol, loxapine), diabetes medicines, drugs used for high blood pressure, weight loss drugs, birth control pills. Do not take any medication for coughs, colds or allergies without first checking with your doctor or pharmacist. Some of these products contain ingredients which can increase blood pressure. 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 fainting or severe dizziness, unusually slow pulse, nausea, and vomiting.
NOTES: It is important to have your blood pressure checked regularly while taking this medication. Learn how to monitor your blood pressure. Discuss this with your doctor. Do not allow anyone else to take this medication.
MISSED DOSE: If you miss a dose, take as soon as remembered; do not take if it is almost 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 (between 15 and 30 degrees C) away from moisture and sunlight. Do not store in the bathroom.
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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