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. Twitching, twisting, uncontrolled repetitive movements of the tongue, lips, face, arms, or legs

Less common

  1. Bladder pain
  2. bloody or cloudy urine
  3. chest pain
  4. confusion
  5. difficult, burning, or painful urination
  6. discouragement
  7. feeling sad or empty
  8. frequent urge to urinate
  9. inability to move the eyes
  10. increased blinking or spasms of the eyelid
  11. irritability
  12. lack of appetite
  13. loss of interest or pleasure
  14. lower back or side pain
  15. seeing, hearing, or feeling things that are not there
  16. sticking out of tongue
  17. tiredness
  18. trouble concentrating
  19. trouble in breathing, speaking, or swallowing
  20. trouble sleeping
  21. uncontrolled twisting movements of the neck, trunk, arms, or legs
  22. unusual facial expressions

Incidence not known

  1. Anxiety
  2. black, tarry stools
  3. bluish color
  4. blurred vision
  5. changes in skin color
  6. chest discomfort
  7. chills
  8. convulsions
  9. cough or hoarseness
  10. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  11. dry mouth
  12. false beliefs that cannot be changed by facts
  13. fast, irregular, pounding, or racing heartbeat or pulse
  14. feelings about hurting oneself or others
  15. fever with or without chills
  16. general feeling of tiredness or weakness
  17. high fever
  18. hyperventilation
  19. increased in sexual ability, desire, drive, or performance
  20. increased interest in sexual intercourse
  21. increased sweating
  22. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  23. loss of bladder control
  24. lower back or side pain
  25. nausea
  26. pain
  27. pain or discomfort in the arms, jaw, back, or neck
  28. restlessness
  29. seeing, hearing, or feeling things that are not there
  30. severe muscle stiffness
  31. shaking
  32. sore throat
  33. sores, ulcers, or white spots on the lips or in the mouth
  34. swelling of the foot or leg
  35. swollen glands
  36. tenderness
  37. tiredness
  38. unusual bleeding or bruising
  39. unusual tiredness or weakness
  40. unusually pale skin
  41. 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:

Less common

  1. Acid or sour stomach
  2. back or shoulder pain
  3. belching
  4. body aches or pain
  5. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  6. diarrhea
  7. difficulty having a bowel movement (stool)
  8. ear congestion
  9. headache
  10. heartburn
  11. indigestion
  12. loss of voice
  13. muscle cramps
  14. nasal congestion
  15. runny nose
  16. sneezing
  17. stomach discomfort, upset, or pain
  18. unusual dreams
  19. weight loss

Incidence not known

  1. Abdominal or stomach distress
  2. bad, unusual, or unpleasant (after) taste
  3. belching
  4. change in taste
  5. dark sweat
  6. double vision
  7. enlarged pupils
  8. feeling of warmth
  9. hair loss or thinning of the hair
  10. lack or loss of strength
  11. redness of the face, neck, arms, and occasionally, upper chest
  12. seeing double
  13. skin rash, hives or welts, itching

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: Feb. 01, 2023