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. Agitation
  2. bloating
  3. blurred vision
  4. chills
  5. cold, clammy skin
  6. confusion
  7. constipation
  8. cough
  9. darkened urine
  10. darkening of the skin
  11. diarrhea
  12. difficult or trouble breathing
  13. difficulty swallowing
  14. dizziness
  15. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  16. fainting
  17. fast, irregular, pounding, or racing heartbeat or pulse
  18. fast, weak pulse
  19. feeling of warmth
  20. fever
  21. hives, itching
  22. indigestion
  23. irregular, fast or slow, or shallow breathing
  24. lightheadedness
  25. loss of appetite
  26. nausea
  27. no blood pressure or pulse
  28. no breathing
  29. overactive reflexes
  30. pains in the stomach, side, or abdomen, possibly radiating to the back
  31. pale or blue lips, fingernails, or skin
  32. poor coordination
  33. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  34. redness of the face, neck, arms, and occasionally, upper chest
  35. restlessness
  36. shivering
  37. stopping of the heart
  38. sweating
  39. talking or acting with excitement you cannot control
  40. tightness in the chest
  41. trembling or shaking
  42. twitching
  43. unconsciousness
  44. unusual tiredness or weakness
  45. vomiting
  46. yellow eyes or skin

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

Symptoms of overdose

  1. Bluish lips or skin
  2. chest pain or discomfort
  3. cold, clammy skin
  4. constricted, pinpoint, or small pupils (black part of the eye)
  5. coughing that sometimes produces a pink frothy sputum
  6. decreased awareness or responsiveness
  7. extreme sleepiness or unusual drowsiness
  8. increased sweating
  9. irregular, fast or slow, or shallow breathing
  10. pale or blue lips, fingernails, or skin
  11. slow or irregular heartbeat
  12. swelling in the legs and ankles

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. Drowsiness
  2. relaxed and calm feeling

Incidence not known

  1. Diarrhea
  2. disturbed color perception
  3. double vision
  4. dry mouth
  5. false or unusual sense of well-being
  6. fear or nervousness
  7. feeling of constant movement of self or surroundings
  8. halos around lights
  9. headache
  10. hives or welts, itching, or skin rash
  11. night blindness
  12. overbright appearance of lights
  13. redness of the skin
  14. sensation of spinning
  15. shakiness
  16. stomach pain or cramps
  17. trouble sleeping
  18. tunnel vision
  19. 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.

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Portions of this document last updated: April 01, 2024

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