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 or nurse immediately if any of the following side effects occur:

More common

  1. Agitation
  2. back pain
  3. black, tarry stools
  4. bladder pain
  5. bleeding gums
  6. blood in the eye
  7. bloody or cloudy urine
  8. blurred vision
  9. body aches or pain
  10. bone pain
  11. bruising
  12. chest pain or tightness
  13. chills
  14. confusion
  15. confusion as to time, place, or person
  16. cough or hoarseness
  17. coughing up blood
  18. decreased vision or other changes in vision
  19. dizziness
  20. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  21. drowsiness
  22. ear congestion
  23. eye pain
  24. fainting
  25. fast, pounding, or irregular heartbeat or pulse
  26. fever
  27. frequent urge to urinate
  28. hallucinations
  29. headache
  30. holding false beliefs that cannot be changed by fact
  31. increased menstrual flow or vaginal bleeding
  32. irritability
  33. large, flat, blue or purplish patches in the skin
  34. lightheadedness
  35. loss of voice
  36. lower back or side pain
  37. mood or mental changes
  38. muscle pain, spams, twitching, or jerking
  39. nervousness
  40. nosebleeds
  41. painful or difficult urination
  42. pale skin
  43. paralysis
  44. pounding in the ears
  45. problems with speech or speaking
  46. prolonged bleeding from cuts
  47. red or dark brown urine
  48. redness in whites of the eyes
  49. rhythmic movement of the muscles
  50. seizures
  51. shakiness and unsteady walk
  52. sneezing
  53. sore throat
  54. stiffness
  55. stuffy or runny nose
  56. sweating
  57. swelling
  58. swollen glands
  59. trembling and shaking of the hands
  60. trouble breathing
  61. trouble sleeping
  62. ulcers, sores, or white spots in the mouth
  63. unsteadiness, trembling, or other problems with muscle control or coordination
  64. unusual bleeding or bruising
  65. unusual excitement, nervousness, or restlessness
  66. unusual tiredness or weakness
  67. vomiting

Less common

  1. Discouragement
  2. feeling sad or empty
  3. generalized slowing of mental and physical activity
  4. incremental or ratchet-like movement of the muscle
  5. lack of appetite
  6. loss of balance control
  7. loss of interest or pleasure
  8. muscle discomfort
  9. partial or slight paralysis
  10. rigid or stiff muscles
  11. seizures
  12. shuffling walk
  13. slowed movements
  14. slurred speech
  15. stiffness of the arms and legs
  16. tic-like (jerky) movements of the head, face, mouth, and neck
  17. trouble concentrating
  18. trouble sleeping
  19. uncontrolled eye movements

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. Constipation
  2. diarrhea
  3. rash

Less common

  1. Abnormal posture
  2. double vision
  3. fall
  4. seeing double

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.

Portions of this document last updated: May 01, 2024

Copyright: © Merative US L.P. 1973, 2024. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.