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:
More common- Burning, crawling, itching, numbness, prickling, "pins and needles”, or tingling feelings
- Chest pain
- Cough or hoarseness
- Fever or chills
- Lower back or side pain
- Painful or difficult urination
- Pale skin
- Shortness of breath
- Sneezing
- Sore throat
- Tightness in chest
- Troubled breathing with exertion
- Unusual bleeding or bruising
- Unusual tiredness or weakness
- Wheezing
- Sensation of pins and needles
- Stabbing pain
- Abdominal discomfort
- Decreased appetite
- Diarrhea
- Fast, shallow breathing
- General feeling of discomfort
- Muscle pain or cramping
- Nausea
- Sleepiness
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:
More common- Abdominal pain
- Abnormal dreams
- Acid or sour stomach
- Belching
- Darkening of skin
- Depression problems
- Difficulty swallowing
- Dizziness
- Earache
- Headache
- Heartburn
- Hives or welts
- Indigestion
- Itching skin
- Lack or loss of strength
- Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- Rash with flat lesions or small raised lesions on the skin
- Redness of skin
- Redness or swelling in ear
- Runny nose
- Spots on your skin resembling a blister or pimple
- Stuffy nose
- Vomiting
- Difficulty in moving
- Joint pain
- Muscle stiffness
- Sleeplessness
- Swollen joints
- Trouble sleeping
- Unable to sleep
- Unsteadiness or awkwardness
- Weakness in arms, hands, legs, or feet
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.


Find Mayo Clinic on