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:

Less common

  1. Black, tarry stools
  2. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  3. chills
  4. cough
  5. difficulty in speaking
  6. dizziness
  7. fever
  8. headache
  9. inability to sit still
  10. lack or loss of strength
  11. loss of memory
  12. lower back or side pain
  13. need to keep moving
  14. nosebleeds
  15. numbness or tingling in the face, arms, or legs
  16. pale skin
  17. problems with memory
  18. relaxed and calm
  19. restlessness
  20. shakiness in the legs, arms, hands, or feet
  21. sleepiness
  22. sore throat
  23. sores, ulcers, or white spots in the mouth
  24. trembling or shaking of the hands or feet
  25. trouble breathing
  26. unusual bleeding or bruising
  27. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
  28. weight gain

Incidence not known

  1. Absent, missed, or irregular menstrual periods
  2. aching or discomfort in lower legs or sensation of crawling in legs
  3. anxiety
  4. bloating
  5. blurred vision
  6. chest pain or tightness
  7. clay-colored stools
  8. cold sweats
  9. confusion
  10. constipation
  11. dark urine
  12. decreased interest in sexual intercourse
  13. diarrhea
  14. difficulty in breathing
  15. dizziness, faintness, or lightheadedness when getting up from lying or sitting position
  16. double vision
  17. dry mouth
  18. fainting
  19. fast heartbeat
  20. flushed, dry skin
  21. fruit-like breath odor
  22. inability to have or keep an erection
  23. inability to move the arms, legs, or facial muscles
  24. inability to move the eyes
  25. inability to speak
  26. increased blinking or spasms of the eyelid
  27. increased hunger
  28. increased sweating
  29. increased thirst
  30. increased urination
  31. itching, rash
  32. large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  33. loss in sexual ability, desire, drive, or performance
  34. loss of appetite
  35. loss of bladder control
  36. loss of consciousness
  37. muscle cramps, aches, pain, or stiffness
  38. nausea
  39. pain, redness, or swelling in the arm or leg
  40. pains in the stomach, side, or abdomen, possibly radiating to the back
  41. painful or difficult urination
  42. seizures
  43. sever muscle stiffness
  44. slow speech
  45. sticking out of the tongue
  46. stomachache
  47. stopping of menstrual bleeding
  48. stuttering
  49. sweating
  50. swelling of the breasts or breast soreness in both females and males
  51. swelling of breasts or unusual milk production
  52. swollen glands
  53. trouble in swallowing
  54. uncontrolled twisting movements of the neck, trunk, arms, or legs
  55. unexpected or excess milk flow from the breasts
  56. unexplained weight loss
  57. unpleasant breath odor
  58. unusual face expressions
  59. vomiting
  60. vomiting of blood
  61. yellow eyes or skin

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:

Less common

  1. Acid or sour stomach
  2. back pain
  3. belching
  4. heartburn
  5. indigestion
  6. stomach discomfort, upset, or pain

Incidence not known

  1. Painful or prolonged erection of the penis

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.