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, itching, redness, skin rash, swelling, or soreness at the application site
- Swelling of the hands, ankles, feet, or lower legs
- Bladder pain
- Bloody or cloudy urine
- Blurred vision or other changes in vision
- Difficult, burning, or painful urination
- Dizziness
- Frequent urge to urinate
- Headache
- Lower back or side pain
- Nervousness
- Pounding in the ears
- Seeing, hearing, or feeling things that are not there
- Slow or fast heartbeat
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- Nausea
- Sleepiness or unusual drowsiness
- Unusual tiredness or weakness
- Vomiting
- Acid or sour stomach
- Belching
- Difficulty having a bowel movement (stool)
- Difficulty with moving
- Dreaming abnormal
- Dry mouth
- Feeling of constant movement of self or surroundings
- Heartburn
- Indigestion
- Loss of appetite
- Muscle pain or stiffness
- Pain in the joints
- Sensation of spinning
- Sleeplessness
- Stomach discomfort, upset, or pain
- Sweating
- Trouble sleeping
- Unable to sleep
- 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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