DRUG INTERACTIONS: See also Warning section.Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.If you also take "triptan" migraine drugs (such as sumatriptan, rizatriptan), you will need to separate your triptan dose from your dose of this medication to lessen the chance of serious side effects. Ask your doctor how long you should wait between your doses of these drugs.Check the labels on all your medicines (especially cough-and-cold products, diet aids, other headache products) because they may contain caffeine or other ingredients that could increase your heart rate or blood pressure. Certain beverages (such as coffee, colas, energy drinks) may also contain caffeine. Ask your pharmacist about using those products safely.This medication may interfere with certain medical/laboratory tests (including dipyridamole-thallium imaging tests, urine catecholamine/5-HIAA levels), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.
Quick GuideMigraine or Headache? Migraine Symptoms, Triggers, Treatment
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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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