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. Bladder pain
  2. blistering, crusting, irritation, itching, or reddening of the skin
  3. bloody or cloudy urine
  4. burning, skin rash, swelling, soreness, redness, pain, itching, or irritation at the application site
  5. cracked, dry, or scaly skin
  6. difficult, burning, or painful urination
  7. frequent urge to urinate
  8. lower back or side pain
  9. unusually warm skin

Less common

  1. Diarrhea
  2. loss of appetite
  3. nausea
  4. stomach pain
  5. weakness

Incidence not known

  1. Confusion as to time, place, or person
  2. holding false beliefs that cannot be changed by fact
  3. seeing, hearing, or feeling things that are not there
  4. unusual excitement, nervousness, or restlessness

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. Body aches or pain
  2. chills
  3. cough
  4. difficulty with breathing
  5. ear congestion
  6. headache
  7. loss of voice
  8. nasal congestion
  9. runny nose
  10. sneezing
  11. sore throat

Less common

  1. Back pain
  2. bloated feeling
  3. changes in vision
  4. constipation
  5. excess air or gas in the stomach or intestines
  6. feeling of fullness
  7. muscle aches
  8. passing gas
  9. sleepiness or unusual drowsiness

Incidence not known

  1. Forgetfulness

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.