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 as soon as possible if any of the following side effects occur:
Less common—for the treatment of river blindness (onchocerciasis) only- Eye or eyelid irritation, pain, redness, or 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—for the treatment of river blindness (onchocerciasis) only- Fever, itching or skin rash
- Joint or muscle pain
- Painful and tender glands in neck, armpits, or groin
- Rapid heartbeat
- Headache
- Swelling of the face, hands, arms, feet, or legs
- Diarrhea
- Dizziness
- Skin rash or itching
- Lightheadedness when getting up from a lying or sitting position
- Loss of appetite
- Shaking or trembling
- Sleepiness
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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