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- Bladder pain
- Bloody or cloudy urine
- Chills
- Decrease in the frequency of urination
- Decrease in urine volume
- Difficult, burning, or painful urination
- Difficulty in passing urine (dribbling)
- Fever
- Frequent urge to urinate
- Painful urination
- Swelling of the lower legs
- Unusual tiredness or weakness
- Bloating or swelling of the face, arms, hands, lower legs, or feet
- Chest pain or discomfort
- Fainting
- Irregular heartbeat recurrent
- Irregular or slow heart rate
- Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- Rapid weight gain
- Shortness of breath
- Tingling of the hands or feet
- Unusual weight gain or loss
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- Acid or sour stomach
- Belching
- Body aches or pain
- Congestion
- Cough
- Diarrhea
- Discouragement
- Feeling sad or empty
- General feeling of discomfort or illness
- Headache
- Heartburn
- Hoarseness
- Indigestion
- Irritability
- Joint pain
- Lack of appetite
- Loss of interest or pleasure
- Lower back or side pain
- Muscle aches and pains
- Nervousness
- Pounding in the ears
- Runny nose
- Shivering
- Slow or fast heartbeat
- Sore throat
- Stomach discomfort, upset, or pain
- Sweating
- Tender, swollen glands in the neck
- Tiredness
- Trouble concentrating
- Trouble with sleeping
- Trouble with swallowing
- Upper abdominal or stomach pain
- Voice changes
- Hives or welts
- Itching
- Redness of the skin
- Skin rash
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