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. Shakiness and unsteady walk
  2. unsteadiness, trembling, or other problems with muscle control or coordination

Rare

  1. Being forgetful
  2. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  3. continuing ringing or buzzing or other unexplained noise in the ears
  4. discouragement
  5. false or unusual sense of well-being
  6. fast, pounding, or irregular heartbeat or pulse
  7. feeling sad or empty
  8. hearing loss
  9. irritability
  10. lack of appetite
  11. loss of interest or pleasure
  12. nightmares
  13. tiredness
  14. trouble concentrating
  15. trouble sleeping

Incidence not known

  1. Actions that are out of control
  2. aggressiveness
  3. anxiety
  4. changes in patterns and rhythms of speech
  5. chest pain
  6. chills
  7. clay-colored stools
  8. confusion about identity, place, and time
  9. dark urine
  10. decrease in frequency of urination
  11. decrease in urine volume
  12. difficulty in passing urine (dribbling)
  13. dizziness
  14. drowsiness
  15. dry mouth
  16. environment seems unreal
  17. fainting
  18. falling
  19. false beliefs that cannot be changed by facts
  20. feeling of unreality
  21. fever
  22. headache
  23. hyperventilation
  24. inability to move the eyes
  25. increased blinking or spasms of the eyelid
  26. increased muscle spasm
  27. irregular heartbeat
  28. loss of bladder control
  29. loss of memory
  30. nausea
  31. nervousness
  32. painful urination
  33. problems with memory
  34. rash
  35. relaxed and calm feeling
  36. restlessness
  37. seeing, hearing, or feeling things that are not there
  38. sense of detachment from self or body
  39. sleep walking
  40. sleepiness
  41. slurred speech
  42. sticking out of tongue
  43. stomach pain
  44. talking, feeling, and acting with excitement
  45. trouble breathing, speaking, or swallowing
  46. uncontrolled twisting movements of the neck, trunk, arms, or legs
  47. unpleasant breath odor
  48. unusual excitement, nervousness, restlessness, or irritability
  49. unusual facial expressions
  50. unusual tiredness or weakness
  51. vomiting of blood
  52. yellow eyes or skin

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

Symptoms of overdose

  1. Agitation
  2. change in consciousness
  3. changes in patterns and rhythms of speech
  4. confusion
  5. irregular, fast or slow, or shallow breathing
  6. loss of consciousness
  7. loss of strength or energy
  8. nightmares
  9. mood or mental changes
  10. pale or blue lips, fingernails, or skin
  11. shakiness and unsteady walk
  12. slurred speech
  13. talkativeness
  14. trouble speaking
  15. unsteadiness, trembling, or other problems with muscle control or coordination
  16. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
  17. unusual excitement, nervousness, restlessness, or irritability

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. Lightheadedness

Rare

  1. Blistering, crusting, irritation, itching, or reddening of the skin
  2. change in taste, or bad, unusual, or unpleasant (after) taste
  3. change in vision
  4. cracked, dry, or scaly skin
  5. cramps
  6. diarrhea
  7. difficulty having a bowel movement
  8. dry mouth
  9. swelling
  10. weakness

Incidence not known

  1. Decreased interest in sexual intercourse
  2. inability to have or keep an erection
  3. increase in sexual ability, desire, drive, or performance
  4. increase interest in sexual intercourse
  5. itching skin
  6. loss in sexual ability, desire, drive, or performance
  7. menstrual changes
  8. redness, swelling, or soreness of the tongue
  9. swelling or inflammation of the mouth
  10. weight loss

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: April 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.