Migraines and Headaches Resources
Featured Centers
- Eating Out? Cut Calories, Heartburn
- 5 Good Ways to Save Money on Medicine
- 8 Ways to Treat Your Allergies
A migraine headache is a form of vascular headache. Migraine headache is caused by vasodilatation (enlargement of blood vessels) that causes the release of chemicals from nerve fibers that coil around the large arteries of the brain. Enlargement of these blood vessels stretches the nerves that coil around them and causes the nerves to release chemicals. The chemicals cause inflammation, pain, and further enlargement of the artery. The increasing enlargement of the arteries magnifies the pain.
Migraine attacks commonly activate the sympathetic nervous system in the body. The sympathetic nervous system is often thought of as the part of the nervous system that controls primitive responses to stress and pain, the so-called "fight or flight" response, and this activation causes many of the symptoms associated with migraine attacks; for example, the increased sympathetic nervous activity in the intestine causes nausea, vomiting,...
|
|
Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.
This drug should not be used with the following medications because very serious interactions may occur: delavirdine, efavirenz, sibutramine.
If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting this medication.
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: certain beta blockers (e.g., propranolol), dopamine, drugs affecting liver enzymes that remove ergotamine from your body (such as fluoxetine, fluvoxamine, metronidazole, nefazodone, zileuton), nicotine (e.g., nicotine gum, nicotine patches), nitrates (e.g., isosorbide, nitroglycerin), other ergot alkaloids (e.g., methysergide).
If you also take "triptan" migraine drugs (e.g., sumatriptan, rizatriptan), you will need to separate your "triptan" dose from your dose of this medication to reduce the risk 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 (e.g., cough-and-cold products, diet aids, other migraine medications) because they may contain ingredients that could increase your heart rate or blood pressure. Ask your pharmacist about the safe use of those products.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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: severe dizziness/drowsiness, loss of feeling in the fingers/toes, rapid/weak heartbeat, bluish hands/feet, seizures.
NOTES: Do not share this medication with others.
Certain foods/beverages or food additives (e.g., red wine, cheese, chocolate, monosodium glutamate, alcohol) as well as some lifestyle patterns (e.g., irregular eating/sleeping habits, stress) may bring about a migraine headache. Avoiding these "triggers" may help decrease the frequency of migraine headaches. Consult your doctor for more details.
MISSED DOSE: If you miss a dose, take 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 68-77 degrees F (20-25 degrees C) away from light and heat. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised May 2010 Copyright(c) 2010 First DataBank, Inc.
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.
Find the secrets to longer life.