Side Effects

Drug information provided by: Merative, Micromedex®

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:

More common

  1. Bad odor (solution only)
  2. bleeding of treated skin
  3. blistering, crusting, or scabbing of treated skin
  4. bloody urine (solution only)
  5. burning feeling of treated skin
  6. dizziness (solution only)
  7. headache (gel only)
  8. itching of treated skin
  9. pain during sexual intercourse (solution only)
  10. pain of treated skin
  11. problems with foreskin of penis (solution only)
  12. redness or swelling of treated skin
  13. scarring of treated skin (solution only)
  14. skin ulcers of treated skin
  15. vomiting (solution only)

Symptoms of overdose

  1. Nausea
  2. vomiting
  3. diarrhea
  4. chills
  5. fever
  6. sore throat
  7. unusual bleeding or bruising
  8. oral ulcers

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

  1. Dryness of treated skin
  2. peeling of treated skin
  3. soreness or tenderness of treated skin
  4. stinging or tingling of treated skin
  5. trouble in sleeping (solution only)

Less common

  1. Changes in color of treated skin (gel only)
  2. skin rash (gel only)

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.

Portions of this document last updated: Feb. 01, 2024

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