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. Fast, pounding, or irregular heartbeat or pulse

Less common

  1. Blurred vision
  2. body aches or pain
  3. chest tightness
  4. chills
  5. cold sweats
  6. confusion
  7. cough
  8. difficult or labored breathing
  9. difficulty with moving
  10. difficulty with speaking
  11. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  12. drooling
  13. ear congestion
  14. fever
  15. headache
  16. inability to sit still
  17. joint pain
  18. loss of balance control
  19. loss of voice
  20. muscle pain, trembling, jerking, or stiffness
  21. need to keep moving
  22. restlessness
  23. shakiness in the legs, arms, hands, or feet
  24. shuffling walk
  25. sneezing
  26. sore throat
  27. stiffness of the limbs
  28. stuffy or runny nose
  29. sweating
  30. trembling or shaking of the hands or feet
  31. trouble breathing
  32. twitching, twisting, uncontrolled repetitive movements of the tongue, lips, face, arms, or legs
  33. uncontrolled movements, especially of the face, neck, and back
  34. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

Rare

  1. Aching or discomfort in the lower legs or sensation of crawling in the legs
  2. actions that are out of control
  3. aggressive or angry
  4. agitation
  5. anxiety
  6. attack, assault, or force
  7. back pain
  8. black, tarry stools
  9. bloody nose
  10. burning while urinating
  11. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  12. chest pain or discomfort
  13. coma
  14. confusion as to time, place, or person
  15. constipation
  16. decrease in the amount of urine
  17. decrease in the frequency of urination
  18. decreased awareness or responsiveness
  19. decreased weight
  20. depression
  21. difficult or painful urination
  22. difficulty in passing urine (dribbling)
  23. difficulty with walking
  24. dilated neck veins
  25. dizziness
  26. dry mouth
  27. dry skin and hair
  28. extreme thirst
  29. extremely high fever or body temperature
  30. fainting
  31. false beliefs that cannot be changed by facts
  32. fast, shallow breathing
  33. feeling cold
  34. frequent urination
  35. gaseous abdominal or stomach pain
  36. groin pain
  37. hair loss
  38. hoarseness or husky voice
  39. holding false beliefs that cannot be changed by fact
  40. hostility
  41. inability to move the eyes
  42. increased blinking or spasms of the eyelid
  43. increased thirst
  44. irregular breathing
  45. irritability
  46. lightheadedness
  47. loss of appetite
  48. loss of bladder control
  49. mimicry of speech or movements
  50. mood swings
  51. muscle aches, cramps, spasms, or twitching
  52. nausea or vomiting
  53. nervousness
  54. noisy breathing
  55. noisy, rattling breathing
  56. numbness or tingling in the hands, feet, or lips
  57. pale, clammy skin
  58. peculiar postures or movements, mannerisms, or grimacing
  59. pounding, slow heartbeat
  60. rapid breathing
  61. rapid weight gain
  62. recurrent fever
  63. seizures
  64. severe sleepiness
  65. slow movement
  66. slow reflexes
  67. sore tongue
  68. sores, ulcers, or white spots on the lips or in the mouth
  69. sticking out of tongue
  70. stomach fullness
  71. stupor
  72. sunken eyes
  73. swelling of the face, ankles, fingers, feet, or lower legs
  74. swollen glands
  75. swollen joints
  76. swollen, tender prostate
  77. talking, feeling, and acting with excitement
  78. thirst
  79. uncontrolled twisting movements of the neck, trunk, arms, or legs
  80. unusual bleeding or bruising
  81. unusual excitement, nervousness, or restlessness
  82. unusual facial expressions
  83. weight gain
  84. wrinkled skin
  85. yellow eyes or skin

Incidence not known

  1. Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  2. painful or prolonged erection of the penis

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. Diarrhea
  2. sleepiness or unusual drowsiness

Less common

  1. Not able to ejaculate semen
  2. rash
  3. stomach discomfort

Rare

  1. Absent, missed, or irregular menstrual periods
  2. blindness
  3. breast pain
  4. burning feeling in the chest or stomach
  5. burning upper abdominal pain
  6. canker sores
  7. continuing ringing or buzzing or other unexplained noise in the ears
  8. decreased interest in sexual intercourse
  9. decreased vision
  10. delusions of persecution, mistrust, suspiciousness, or combativeness
  11. dry eyes
  12. feeling of constant movement of self or surroundings
  13. hearing loss
  14. inability to have or keep an erection
  15. increase in blood flow to the whites of the eyes
  16. increased appetite
  17. increased watering of the mouth
  18. indigestion
  19. irregular menstruation
  20. irritation or soreness of the mouth
  21. longer or heavier menstrual periods
  22. loss in sexual ability, desire, drive, or performance
  23. loss of bowel control
  24. loss of memory
  25. normal menstrual bleeding occurring earlier, possibly lasting longer than expected
  26. problems with memory
  27. redness, swelling, or itching of the eyelids
  28. sensation of spinning
  29. stomach upset or tenderness
  30. stopping of menstrual bleeding
  31. swelling of the breasts or breast soreness in both females and males
  32. swelling or inflammation of the mouth
  33. uncontrolled eye movements

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: Oct. 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.