Mayo Clinic Health Manager
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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- Black, tarry stools
- Blindness
- Blurred vision
- Burning, tingling, numbness, or pain in the hands, arms, feet, or legs
- Chills
- Cough
- Decreased vision
- Difficulty with breathing or swallowing
- Eye pain
- Fast heartbeat
- Fever
- Headache
- Hives or welts
- Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- Nausea or vomiting
- Noisy breathing
- Painful or difficult urination
- Sensation of pins and needles
- Shortness of breath
- Skin itching, rash, or redness
- Sore throat
- Sores, ulcers, or white spots on the lips or in the mouth
- Stabbing pain in the arms or legs
- Swelling of the face, throat, or tongue
- Swollen glands
- Tearing
- Unusual bleeding or bruising
- Wheezing
- Abdominal or stomach pain
- Backache
- Bruising
- Darkening of the skin
- Decrease in height
- Diarrhea
- Difficulty with moving
- Dizziness
- Facial hair growth in females
- Fainting
- Fast, slow, pounding, or irregular heartbeat or pulse
- Flushed, dry skin
- Fractures
- Fruit-like breath odor
- Full or round face, neck, or trunk
- Heavy bleeding
- Increased hunger
- Increased thirst or urination
- Irritability
- Large, flat, blue, or purplish patches in the skin
- Loss of sexual desire or ability
- Menstrual irregularities
- Mental depression
- Muscle pain or stiffness
- Muscle wasting
- Pain in the back, ribs, arms, or legs
- Pain in the joints
- Sweating
- Troubled breathing
- Unexplained weight loss
- Unusual tiredness or weakness
- Weight gain
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose- Chest pain or tightness
- Confusion
- Convulsions (seizures)
- Decreased urine output
- Dry mouth
- Faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- General feeling of discomfort or illness
- High blood pressure
- Loss of appetite
- Mood changes
- Nervousness
- Numbness or tingling in the hands, feet, or lips
- Sudden sweating
- Tremors
- Trouble with sleeping
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- Body aches or pain
- Choking
- Congestion
- Dryness of the throat
- High-pitched noise when breathing
- Hoarseness
- Runny nose
- Sneezing
- Trouble with swallowing
- Voice changes
- Cough-producing mucus
- Flu-like symptoms
- Irritation or inflammation of the eye
- Muscle pain
- Pain or tenderness around the eyes and cheekbones
- Sleep disorders
- Stuffy nose
- White patches in the mouth or throat or on the tongue
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.