Side Effects

Drug information provided by: IBM 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 immediately if any of the following side effects occur:

More common

  1. Any vision problems, especially blurred vision, double vision, eye pain, or rapidly decreasing vision
  2. burning, prickling, or tingling sensations
  3. clumsiness or unsteadiness
  4. confusion
  5. continuous, uncontrolled back-and-forth or rolling eye movements
  6. dizziness
  7. drowsiness
  8. eye redness
  9. generalized slowing of mental and physical activity
  10. increased eye pressure
  11. memory problems
  12. menstrual changes
  13. menstrual pain
  14. nervousness
  15. speech or language problems
  16. trouble in concentrating or paying attention
  17. unusual tiredness or weakness

Less common

  1. Abdominal or stomach pain
  2. fever, chills, or sore throat
  3. lessening of sensations or perception
  4. loss of appetite
  5. mood or mental changes, including aggression, agitation, apathy, irritability, and mental depression
  6. red, irritated, or bleeding gums
  7. weight loss


  1. Blood in the urine
  2. decrease in sexual performance or desire
  3. difficult or painful urination
  4. frequent urination
  5. hearing loss
  6. loss of bladder control
  7. lower back or side pain
  8. nosebleeds
  9. pale skin
  10. red or irritated eyes
  11. ringing or buzzing in the ears
  12. skin rash or itching
  13. swelling
  14. trouble breathing

Incidence not known

  1. Blistering, peeling, or loosening of the skin
  2. blisters in the mouth
  3. blisters on the trunk, scalp, or other areas
  4. bloating
  5. clay-colored stools
  6. constipation
  7. cough
  8. diarrhea
  9. increased rate of breathing
  10. joint or muscle pain
  11. pain or tenderness in upper abdomen or stomach
  12. red skin lesions, often with a purple center
  13. sores, ulcers, or white spots in the mouth or on the lips
  14. yellow eyes or skin

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose

  1. Decreased awareness or responsiveness
  2. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  3. severe sleepiness
  4. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

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. Breast pain in women
  2. tremors

Less common

  1. Back pain
  2. chest pain
  3. constipation
  4. heartburn
  5. hot flushes
  6. increased sweating
  7. leg 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.