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What should I watch for?
It can take several days before your stomach pain gets better. Check with your doctor or health care professional if your condition does not start to get better, or if it gets worse.
You may need blood work done while you are taking this medicine.
This medicine may cause a decrease in vitamin B12. You should make sure that you get enough vitamin B12 while you are taking this medicine. Discuss the foods you eat and the vitamins you take with your health care professional.
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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:
Less common
Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
chest pain or discomfort
chest tightness or heaviness
confusion
continuing stomach pain
difficult or labored breathing
fast, irregular, pounding, or racing heartbeat or pulse
headache
incoherent speech
joint pain, stiffness, or swelling
lightheadedness, dizziness, or fainting
muscle pain, cramps, or weakness
numbness or tingling in the hands, feet, or lips
pain or discomfort in the arms, jaw, leg, back, or neck
pounding in the ears
rash, hives
shakiness in the legs, arms, hands, or feet
sweating
swelling of the eyelids, face, lips, hands, or feet
swollen, painful, or tender lymph glands in the neck, armpit, or groin
unusual bleeding or bruising
vomiting
vomiting of blood or material that looks like coffee grounds
watery or bloody diarrhea
Incidence not known
Blistering, peeling, or loosening of the skin
chills
drowsiness
muscle spasms (tetany) or twitching
red skin lesions, often with a purple center
red, irritated eyes
seizures
sores, ulcers, or white spots in the mouth or on the lips
swelling of the body, feet, or ankles
trembling
unusual weight gain
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:
Less common
Abnormal dreams
body aches or pain
bloated or full feeling
burning or itching around the anus
change in taste or bad, unusual, or unpleasant (after) taste
continuing ringing or buzzing or other unexplained noise in the ears
difficult or painful urination
difficulty with moving
ear congestion
ear pain
excess air or gas in the stomach or bowels
falls
feeling of constant movement of self or surroundings
loss in sexual ability, desire, drive, or performance
loss of voice
metallic taste
muscle or bone pain
passing gas
redness of the face, neck, arms, and occasionally, upper chest
sensation of spinning
sunburn
trouble sleeping
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.
