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:


  1. Back, leg, or stomach pain
  2. bleeding or crusting sores on the lips
  3. blisters
  4. bloody or cloudy urine
  5. chills
  6. continuing ulcers or sores in the mouth
  7. difficult, burning, or painful urination
  8. fever
  9. frequent urge to urinate
  10. general feeling of discomfort or illness
  11. itching, skin rash
  12. joint pain
  13. loss of appetite
  14. muscle aches or cramps
  15. pain
  16. red or irritated eyes
  17. redness, tenderness, itching, burning, or peeling of the skin
  18. sore throat
  19. sores, ulcers, or white spots on the lips, in the mouth, or on the genitals
  20. unusual bleeding or bruising
  21. unusual tiredness or weakness

Incidence not known

  1. Black, tarry stools
  2. bleeding gums
  3. blindness
  4. blistering, peeling, or loosening of the skin
  5. bloating or swelling of the face, arms, hands, lower legs, or feet
  6. blurred or decreased vision
  7. chest pain or tightness
  8. confusion
  9. constipation
  10. cough
  11. dark urine
  12. decreased urine
  13. difficulty swallowing
  14. dizziness
  15. drowsiness
  16. eye pain
  17. fast, racing, or uneven heartbeat
  18. indigestion
  19. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  20. light-colored stools
  21. lower back or side pain
  22. mood or mental changes
  23. muscle cramps in the hands, arms, feet, legs, or face
  24. muscle spasms (tetany) or twitching seizures
  25. numbness and tingling around the mouth , fingertips, or feet
  26. nausea
  27. pain or swelling in the arms or legs without any injury
  28. pains in the stomach, side, or abdomen, possibly radiating to the back
  29. pale skin
  30. pinpoint red spots on the skin
  31. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  32. rapid weight gain
  33. red skin lesions, often with a purple center
  34. red, irritated eyes
  35. seizures
  36. stomach pain
  37. swollen glands
  38. trembling
  39. unpleasant breath odor
  40. vomiting
  41. vomiting of blood
  42. yellow eyes or skin

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

Symptoms of overdose

  1. Blurred vision
  2. confusion
  3. dryness of the mouth
  4. flushing
  5. headache
  6. increased sweating

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. Body aches or pain
  2. diarrhea or loose stools
  3. difficulty with breathing
  4. dizziness
  5. ear congestion
  6. gas
  7. heartburn
  8. loss of voice
  9. muscle pain
  10. runny or stuffy nose
  11. sneezing
  12. unusual drowsiness

Incidence not known

  1. Bloody nose
  2. continuing ringing or buzzing or other unexplained noise in the ears
  3. decreased interest in sexual intercourse
  4. dry mouth
  5. hearing loss
  6. inability to have or keep an erection
  7. increased sensitivity of the skin to sunlight
  8. increased sweating
  9. loss in sexual ability, desire, drive, or performance
  10. redness or other discoloration of the skin
  11. severe sunburn
  12. swelling of the breasts or breast soreness in both females and males
  13. trouble sleeping

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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