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:

Rare

  1. Back, leg, or stomach pains
  2. black, tarry stools
  3. bleeding gums
  4. blistering, peeling, or loosening of the skin
  5. bloody urine
  6. blurred vision
  7. chest pain or tightness
  8. chills
  9. confusion
  10. cough
  11. dark urine
  12. decreased frequency or amount of urine
  13. diarrhea
  14. difficulty breathing
  15. difficulty swallowing
  16. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  17. fast, irregular, pounding, or racing heartbeat or pulse
  18. fever
  19. general tiredness and weakness
  20. headache
  21. hives, itching, or skin rash
  22. increased thirst
  23. joint or muscle pain
  24. light-colored stools
  25. lower back or side pain
  26. nausea
  27. nosebleeds
  28. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  29. red skin lesions, often with a purple center
  30. red, irritated eyes
  31. shakiness in the legs, arms, hands, or feet
  32. sores, ulcers, or white spots in the mouth or on the lips
  33. sweating
  34. swelling of the face, fingers, or lower legs
  35. trembling or shaking of the hands or feet
  36. upper right abdominal or stomach pain
  37. vomiting
  38. vomiting blood
  39. weight gain
  40. yellow eyes and skin

Incidence not known

  1. Agitation
  2. bloody nose
  3. confusion
  4. constricted, pinpoint, or small pupils (black part of the eye)
  5. darkening of the skin
  6. loss of appetite
  7. mental depression
  8. overactive reflexes
  9. poor coordination
  10. restlessness
  11. seeing, hearing, or feeling things that are not there
  12. shivering
  13. trouble sleeping
  14. twitching
  15. unusual tiredness or weakness

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

Symptoms of overdose

  1. Cold and clammy skin
  2. confusion as to time, place, or person
  3. continuing ringing or buzzing or other unexplained noise in the ears
  4. coughing that sometimes produces a pink frothy sputum
  5. difficult or trouble breathing
  6. drowsiness
  7. extremely high fever or body temperature
  8. hearing loss
  9. holding false beliefs that cannot be changed by fact
  10. increased sweating
  11. irregular, fast or slow, or shallow breathing
  12. loss of consciousness
  13. muscle cramps
  14. pale or blue lips, fingernails, or skin
  15. pinpoint pupils (black part of the eyes)
  16. restlessness
  17. seeing, hearing, or feeling things that are not there
  18. seizures
  19. swelling in the legs and ankles
  20. trouble sleeping
  21. unusual bleeding or bruising

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:

Rare

  1. Anxiety
  2. blurred vision
  3. burning, tingling, numbness, or pain in the hands, arms, feet, or legs
  4. confusion about identity, place, and time
  5. constricted, pinpoint, or small pupils (black part of the eye)
  6. deep or fast breathing with dizziness
  7. depression
  8. difficulty having a bowel movement
  9. dry mouth
  10. feeling of constant movement of self or surroundings
  11. feeling of warmth
  12. feeling that others are watching you or controlling your behavior
  13. feeling that others can hear your thoughts
  14. heartburn
  15. high energy
  16. irregular heartbeat
  17. irritability
  18. loss in sexual ability, desire, drive, or performance
  19. numbness of the feet, hands, and around mouth
  20. pain in the legs
  21. redness of the face, neck, arms, and occasionally, upper chest
  22. sensation of spinning
  23. severe mood or mental changes
  24. shaking
  25. sleepiness
  26. sluggishness
  27. slurred speech
  28. trouble sitting still
  29. unexplained weight loss
  30. unusual behavior
  31. weakness

Incidence not known

  1. Decreased interest in sexual intercourse
  2. inability to have or keep an erection
  3. loss in sexual ability, desire, drive, or performance

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.