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:

Incidence not known

  1. Blurred vision
  2. chills
  3. confusion
  4. cough
  5. decrease in the frequency of urination
  6. decrease in urine volume
  7. difficult or painful urination
  8. difficulty in passing urine (dribbling)
  9. difficulty with swallowing
  10. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  11. fast, irregular, pounding, or racing heartbeat or pulse
  12. hives or welts, itching, skin rash
  13. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  14. redness of the skin
  15. sweating
  16. tightness in the chest
  17. unusual tiredness or weakness

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

Symptoms of overdose

  1. Agitation
  2. anxiety
  3. bloating
  4. diarrhea
  5. difficulty with sleeping
  6. disorientation
  7. dizziness
  8. drowsiness to profound coma
  9. dry mouth
  10. feeling of warmth
  11. fixed and enlarged pupils
  12. gas
  13. headache
  14. lethargy
  15. lightheadedness
  16. loss of appetite
  17. nausea
  18. redness of the face, neck, arms, and occasionally, upper chest
  19. seeing, hearing, or feeling things that are not there
  20. seizures
  21. tightness of the chest
  22. trouble breathing
  23. vomiting

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. Clumsiness or unsteadiness
  2. cough producing mucus
  3. drowsiness
  4. sleepiness

Incidence not known

  1. Back, leg, or stomach pains
  2. black, tarry stools
  3. bleeding gums
  4. blood in the urine or stools
  5. blurred vision
  6. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  7. chills
  8. confusion
  9. continuing ringing or buzzing or other unexplained noise in the ears
  10. cough or hoarseness
  11. dark urine
  12. difficulty breathing
  13. difficulty having a bowel movement (stool)
  14. dizziness or lightheadedness
  15. double vision
  16. dry mouth, nose, and throat
  17. feeling excited
  18. feeling of constant movement of self or surroundings
  19. fever with or without chills
  20. general body swelling
  21. general feeling of tiredness or weakness
  22. headache
  23. hearing loss
  24. increased sensitivity of the skin to sunlight
  25. itching
  26. loss of appetite
  27. lower back or side pain
  28. nosebleeds
  29. pale skin
  30. pinpoint red spots on the skin
  31. redness or other discoloration of the skin
  32. restlessness
  33. seeing double
  34. seizures
  35. sensation of spinning
  36. severe sunburn
  37. shakiness in the legs, arms, hands, or feet
  38. sore throat
  39. sores, ulcers, or white spots on the lips or in the mouth
  40. trembling or shaking of the hands or feet
  41. trouble sleeping
  42. unusual bleeding or bruising
  43. weight loss
  44. yellowing of the eyes or skin

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.