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 or nurse immediately if any of the following side effects occur:
More common- Abdominal or stomach cramps or pain
- Black, tarry stools
- Bleeding gums
- Blood in the urine or stools
- Blurred vision
- Bone pain
- Chest pain
- Chills
- Coma
- Confusion
- Convulsions
- Cough or hoarseness
- Decreased urine output
- Difficulty with breathing
- Dizziness
- Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- Drowsiness
- Dry mouth
- Fast or irregular heartbeat
- Fever
- Flushed, dry skin
- Fruit-like breath odor
- Headache
- Increased hunger
- Increased thirst
- Increased urination
- Joint pain, stiffness, or swelling
- Loss of appetite
- Lower back or side pain
- Mood or mental changes
- Muscle cramps in the hands, arms, feet, legs, or face
- Muscle pain
- Muscle spasms (tetany) or twitching seizures
- Nausea or vomiting
- Numbness or tingling in the hands, fingertips, feet, or lips
- Painful or difficult urination
- Pale skin
- Pinpoint red spots on the skin
- Shortness of breath
- Sore throat
- Sores, ulcers, or white spots on the lips or in the mouth
- Sweating
- Swelling of the face, ankles, feet, lower legs, or hands
- Swollen glands
- Trembling
- Tremor
- Troubled breathing
- Troubled breathing with exertion
- Unexplained weight loss
- Unusual bleeding or bruising
- Unusual tiredness or weakness
- Fainting
- Fast, pounding, or irregular heartbeat or pulse
- Swelling
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- Change in taste
- Constipation
- Cracks in the skin
- Diarrhea
- Itching skin
- Lack or loss of strength
- Loss of appetite
- Loss of heat from the body
- Loss of taste
- Red, swollen skin
- Scaly skin
- Weight loss
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.


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