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

  1. Burning, itching, redness, skin rash, swelling, or soreness at the application site
  2. itching skin

Less common

  1. Blood in the urine
  2. chest pain
  3. cough
  4. dry, itching, or burning eyes
  5. eye pain
  6. headaches, including migraines
  7. increased sensitivity of the skin to sunlight
  8. pain or tenderness around the eyes and cheekbones
  9. redness of the skin
  10. redness or swelling of the eyes
  11. runny or stuffy nose
  12. skin rash other than at the application site
  13. sore throat
  14. tightness in the chest
  15. troubled breathing
  16. ulcers or sores on the skin, other than at the application site

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. Chills
  2. diarrhea
  3. fever
  4. general feeling of discomfort or illness
  5. joint pain
  6. loss of appetite
  7. muscle aches and pains
  8. nausea
  9. scaly, thick, or tingling skin
  10. shivering
  11. sweating
  12. trouble sleeping
  13. unusual tiredness or weakness
  14. vomiting

Less common

  1. Acne
  2. back pain
  3. belching
  4. bleeding skin
  5. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  6. dizziness
  7. heartburn
  8. increase in body movements
  9. indigestion
  10. lack or loss of strength
  11. loss of or change in taste
  12. loss or thinning of the hair
  13. neck pain
  14. sleepiness or unusual drowsiness
  15. stomach upset or pain

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.