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:

Less common

  1. Blurred vision
  2. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  3. chest pain, tightness, or discomfort
  4. confusion
  5. cough
  6. difficulty breathing
  7. dilated neck veins
  8. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  9. irregular breathing
  10. lightheadedness, dizziness, or fainting
  11. noisy breathing
  12. paleness or cold feeling in fingertips and toes
  13. slow or irregular heartbeat
  14. slurred speech
  15. sweating
  16. swelling of face, fingers, feet, or lower legs
  17. tingling or pain in fingers or toes when exposed to cold
  18. unusual tiredness or weakness
  19. weight gain

Incidence not known

  1. Back or leg pains
  2. black, tarry stools
  3. bleeding gums
  4. bloating
  5. blood in urine or stools
  6. chills
  7. clay-colored stools
  8. cloudy urine
  9. cold sweats
  10. constipation
  11. coughing up blood
  12. dark urine
  13. difficulty swallowing
  14. drowsiness
  15. dry mouth
  16. fast heartbeat
  17. fever
  18. flushed, dry skin
  19. fruit-like breath odor
  20. general body swelling
  21. general feeling of discomfort or illness
  22. general tiredness and weakness
  23. headache
  24. hives, skin rash
  25. hoarseness
  26. increased hunger
  27. increased thirst
  28. increased urination
  29. indigestion
  30. joint pain, stiffness, or swelling
  31. light-colored stools
  32. loss of appetite
  33. lower back or side pain
  34. muscle tremors
  35. nausea and vomiting
  36. nosebleeds
  37. pain in the muscles
  38. painful or difficult urination
  39. pains in stomach, side, or abdomen, possibly radiating to the back
  40. pale skin
  41. pinpoint red spots on the skin
  42. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  43. rapid, deep breathing
  44. redness, soreness, or itching skin
  45. restlessness
  46. sore throat
  47. sores, ulcers, or white spots on the lips or in the mouth
  48. sores, welting, or blisters
  49. stomach cramps
  50. sugar in the urine
  51. swollen or painful glands
  52. tenderness of salivary glands
  53. thickening of bronchial secretions
  54. trouble breathing
  55. unpleasant breath odor
  56. unusual bleeding or bruising
  57. unusual weight loss
  58. upper right stomach pain
  59. vomiting of blood
  60. yellow eyes or skin

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

Symptoms of overdose

  1. Change in consciousness
  2. decreased urination
  3. diarrhea
  4. fast, slow, or shallow breathing
  5. gas
  6. heartburn
  7. increase in heart rate
  8. increased sweating
  9. indigestion
  10. loss of consciousness
  11. low blood pressure
  12. muscle cramps
  13. numbness, tingling, pain, or weakness in the hands or feet
  14. pale or blue lips, fingernails, or skin
  15. seizures
  16. sunken eyes
  17. trembling
  18. unusual drowsiness, dullness, or feeling of sluggishness
  19. unusual paleness
  20. weakness and heaviness of the legs
  21. wrinkled skin

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. Change in behavior
  2. continuing ringing or buzzing or other unexplained noise in the ears
  3. decreased interest in sexual intercourse
  4. dry eyes or skin
  5. excess air or gas in stomach or intestines
  6. hair loss, thinning of hair
  7. hearing loss
  8. inability to have or keep an erection
  9. loss in sexual ability, desire, drive, or performance
  10. relaxed and calm
  11. sleepiness
  12. stomach soreness or discomfort
  13. stuffy nose
  14. weight loss

Incidence not known

  1. Cracks in the skin
  2. discoloration of skin
  3. feeling of constant movement of self or surroundings
  4. increased sensitivity of skin to sunlight
  5. large, flat, blue or purplish patches in the skin
  6. loss of heat from the body
  7. muscle spasm, weakness, or restlessness
  8. scaly skin
  9. sensation of spinning
  10. severe sunburn

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.