Mayo Clinic Health Manager
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Get StartedSide 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- Difficult or labored breathing
- Shortness of breath
- Tightness in chest
- Wheezing
- Blistering, peeling, loosening of skin
- Chills
- Cough
- Difficulty swallowing
- Diarrhea
- Dizziness
- Fast heartbeat
- Hives
- Itching
- Joint or muscle pain
- Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- Red skin lesions, often with a purple center
- Red, irritated eyes
- Skin rash
- Sore throat
- Sores, ulcers, or white spots in mouth or on lips
- Unusual tiredness or weakness
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- Accidental injury
- Bloating or swelling of face, arms, hands, lower legs, or feet
- Blurry vision
- Burning, tingling, numbness or pain in the hands, arms, feet, or legs
- Change in walking and balance
- Clumsiness
- Confusion
- Delusions
- Dementia
- Difficulty having a bowel movement (stool)
- Difficulty in speaking
- Double vision
- Dry mouth
- Fever
- Headache
- Hoarseness
- Increased appetite
- Lack of coordination
- Loss of memory
- Lower back or side pain
- Mood or mental changes
- Painful or difficult urination
- Problems with memory
- Rapid weight gain
- Seeing double
- Sensation of pins and needles
- Shakiness and unsteady walk
- Sleepiness or unusual drowsiness
- Stabbing pain
- Swelling
- Tingling of hands or feet
- Trembling, or other problems with muscle control or coordination
- Unusual weight gain or loss
- Anxiety
- Bloated, full feeling
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Chest pain
- Cold sweats
- Coma
- Cool, pale skin
- Cough producing mucus
- Decrease or change in vision
- Depression
- Eye disorder
- Excess air or gas in stomach or intestines
- False or unusual sense of well-being
- General feeling of discomfort or illness
- Increased hunger
- Joint pain
- Loss of appetite
- Loss of bladder control
- Loss of strength or energy
- Muscle aches and pains
- Muscle twitching or jerking
- Muscle weakness
- Nausea
- Nervousness
- Nightmares
- Noisy breathing
- Pain
- Passing gas
- Rhythmic movement of muscles
- Runny nose
- Seizures
- Shivering
- Slurred speech
- Sweating
- Trouble sleeping
- Twitching
- Uncontrolled eye movements
- Vomiting
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.