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 immediately if any of the following side effects occur:

More common

  1. Back pain
  2. bad, unusual, or unpleasant (after) taste
  3. bone or joint pain
  4. change in taste
  5. continuing ringing or buzzing or other unexplained noise in the ears
  6. difficulty with moving or walking
  7. excessive muscle tone
  8. feeling of warmth
  9. headache (severe and continuing)
  10. hearing loss
  11. increased sensitivity to pain
  12. increased sensitivity to touch
  13. muscle stiffness, tension, or tightness
  14. nausea (severe and continuing)
  15. redness of the face, neck, arms, and occasionally, upper chest
  16. redness of the skin
  17. sleeplessness
  18. thinning of the skin with easy bruising
  19. tingling in the hands and feet
  20. tongue irritation
  21. trouble sleeping
  22. vomiting (severe and continuing)

Less common

  1. Abnormal sensation of burning or stinging
  2. blurred vision
  3. belching
  4. breast pain
  5. cracking, redness, skin irritation, or rash (including a rash that looks like psoriasis)
  6. eye pain
  7. general feeling of discomfort or illness
  8. heartburn
  9. increased hair growth on the forehead, back, arms, and legs
  10. indigestion
  11. infection, ulcers, unusual odor, or small red spots in the skin
  12. itching of the vagina or genital area
  13. loosening of the fingernails
  14. loss of eyebrows or eyelashes
  15. pain during sexual intercourse
  16. redness of the eyes
  17. redness or soreness around the fingernails
  18. redness or swelling of the eyelid
  19. sensitivity of the eyes to light
  20. sore mouth or tongue
  21. thick, white vaginal discharge with no odor or with a mild odor
  22. watery eyes
  23. white patches in the mouth or on the tongue


  1. Bleeding gums
  2. bleeding time increased
  3. chest pain
  4. coughing
  5. coughing up blood
  6. darkened urine
  7. diarrhea
  8. difficulty in breathing or swallowing
  9. double vision or other problems in seeing, including decreased night vision after sunset and before sunrise
  10. hoarseness
  11. increased menstrual flow or vaginal bleeding
  12. itchy or painful ears
  13. light-colored stools
  14. nosebleeds
  15. pale or cold hands or feet
  16. paralysis
  17. prolonged bleeding from cuts
  18. red or dark brown urine
  19. sore on the edge of the eyelid (stye)
  20. stomach pain
  21. thick, white, curd-like vaginal discharge
  22. unpleasant breath odor
  23. unusual tiredness or weakness
  24. vaginal itching or irritation
  25. vomiting of blood
  26. yellowing of the skin or eyes

Incidence not known

  1. Assault
  2. attack
  3. burning, numbness, tingling, or painful sensations
  4. chest discomfort
  5. confusion
  6. difficulty with speaking
  7. doing things to injure oneself
  8. inability to move the arms, legs, or facial muscles
  9. inability to speak
  10. pain in the chest, groin, or legs, especially calves
  11. pain or discomfort in the arms, jaw, back, or neck
  12. slow speech
  13. slurred speech
  14. sudden loss of coordination
  15. sudden, severe weakness or numbness in the arms or legs
  16. sweating
  17. thoughts of killing oneself
  18. unsteadiness or awkwardness
  19. vision changes
  20. weakness in the arms, hands, legs, or feet

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

Symptoms of overdose

  1. Dizziness or lightheadedness
  2. feeling of constant movement of self or surroundings
  3. sensation of spinning

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. Chapped, red, or swollen lips
  2. difficulty in wearing contact lenses
  3. dry or runny nose
  4. dryness of the eyes
  5. increased ability to sunburn
  6. increased amount of ear wax (unusual)
  7. irritation in the mouth or swollen gums
  8. itchy skin
  9. loss of hair (usually reversible)
  10. scaling and peeling of the eyelids, fingertips, palms, and soles of feet
  11. sticky skin
  12. unusual thirst

Less common

  1. Constipation
  2. increased sweating

Incidence not known

  1. Cracking fingernails or fingernails break easily
  2. muscular pain, tenderness, wasting, or weakness

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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