What should I watch for?
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. To reduce dizzy or fainting spells, do not sit or stand up quickly, especially if you are an older patient. Alcohol can increase drowsiness, dizziness and flushing. Avoid alcoholic drinks.
Smoking cigarettes may increase the risk of heart-related side effects from using this medicine.
If you take migraine medicines for 10 or more days a month, your migraines may get worse. Keep a diary of headache days and medicine use. Contact your healthcare professional if your migraine attacks occur more frequently.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
discharge from the eye
fast, irregular, pounding, or racing heartbeat or pulse
itching, redness, or swelling of the skin
neck pain or rigid neck
redness of the inner lining of the eyelid
shortness of breath
tightness in the throat
Abdominal or stomach cramping or pain
black, tarry stools
blood in the stools
bringing back up of food
chest pain, severe
cool, pale skin
difficulty with swallowing
loss of appetite
loss of vision
tightness in the chest
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Burning, numbness, prickly, or tingling feeling
Aching, fullness, or tension in the sinuses
change in sense of taste
cough producing mucus
decreased sensitivity to touch
feeling of constant movement of self or surroundings
feeling of spinning
feeling of warmth or heat
flushing or redness of the skin
increased sense of hearing
lack or loss of strength
muscle aches or weakness
painful menstrual period
quivering or trembling
runny or stuffy nose
Abnormal increase in reflexes
abnormally increased feeling of mental and physical well-being
buzzing or ringing in the ears
change in dreams or nightmares
change in sense of smell
change in sense of touch
clumsiness or unsteadiness
continuous, uncontrolled, back-and-forth or rolling eye movements
difficulty in concentrating
feeling of pins and needles
increased sensitivity to sunlight
loss of voice
pain, redness, swelling, or warmth in the joints
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.