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. Shakiness and unsteady walk
  2. tenderness, pain, swelling, warmth, skin discoloration, and prominent superficial veins over affected area
  3. unsteadiness, trembling, or other problems with muscle control or coordination

Less common

  1. Black, tarry stools
  2. blurred vision
  3. changes in patterns and rhythms of speech
  4. chest pain or discomfort
  5. chills
  6. cold, clammy, or pale skin
  7. confusion
  8. cough
  9. dark urine
  10. decrease in frequency of urination
  11. decrease in urine volume
  12. difficulty in passing urine (dribbling)
  13. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  14. fear or nervousness
  15. fever
  16. hallucinations
  17. headache
  18. irregular heartbeats
  19. itching
  20. loss of appetite
  21. loss of bladder control
  22. lower back or side pain
  23. muscle spasm
  24. nausea
  25. nightmares
  26. outbursts of anger
  27. painful or difficult urination
  28. pale skin
  29. rash
  30. shakiness in the legs, arms, hands, or feet
  31. slow or irregular heartbeat
  32. slurred speech
  33. sore throat
  34. stomach pain
  35. sweating
  36. trembling or shaking of hands or feet
  37. trouble in speaking
  38. trouble sleeping
  39. ulcers, sores, or white spots in the mouth
  40. unpleasant breath odor
  41. unusual bleeding or bruising
  42. unusual excitement, nervousness, restlessness, or irritability
  43. unusual tiredness or weakness
  44. vomiting of blood
  45. yellow eyes or skin

Incidence not known

  1. Chest tightness
  2. deep or fast breathing with dizziness
  3. difficult or trouble breathing
  4. irregular, fast or slow, or shallow breathing
  5. numbness of the feet, hands, and around the mouth
  6. pale or blue lips, fingernails, 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. excitement
  6. irritability
  7. lack of coordination
  8. loss of consciousness
  9. loss of strength or energy
  10. muscle pain or weakness
  11. restlessness
  12. shakiness and unsteady walk
  13. sleepiness
  14. slurred speech
  15. talkativeness
  16. trouble in speaking
  17. unsteadiness, trembling, or other problems with muscle control or coordination
  18. unusual drowsiness, dullness, tiredness, weakness or feeling of sluggishness
  19. unusual weak feeling

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. Constipation
  2. decreased interest in sexual intercourse
  3. difficulty in swallowing
  4. discouragement
  5. double vision
  6. dry mouth
  7. feeling of constant movement of self or surroundings
  8. feeling sad or empty
  9. hiccups
  10. hives or welts, itching
  11. inability to have or keep an erection
  12. increase in sexual ability, desire, drive, or performance
  13. increased interest in sexual intercourse
  14. increased watering of the mouth
  15. lack of appetite
  16. loss in sexual ability, desire, drive, or performance
  17. loss of interest or pleasure
  18. redness of skin
  19. seeing double
  20. sensation of spinning
  21. trouble concentrating
  22. 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: 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.