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. Bloody urine
  2. bloody, black, or tarry stools
  3. decreased frequency or amount of urine
  4. heartburn
  5. increased bleeding time
  6. increased blood pressure
  7. increased thirst
  8. indigestion
  9. itching, skin rash
  10. loss of appetite
  11. lower back or side pain
  12. nausea
  13. pale skin
  14. severe stomach pain, cramping, or burning
  15. stomach bloating
  16. swelling of the face, fingers, feet, or lower legs
  17. trouble breathing
  18. unusual bleeding or bruising
  19. unusual tiredness or weakness
  20. vomiting
  21. vomiting of material that looks like coffee grounds, severe and continuing
  22. weight gain
  23. weight loss

Less common

  1. Bleeding gums
  2. blood in vomit
  3. blurred vision
  4. burning feeling in the chest or stomach
  5. chest pain or tightness
  6. clay-colored stools
  7. cloudy urine
  8. confusion
  9. constipation
  10. cough or hoarseness
  11. dark urine
  12. difficult or labored breathing
  13. difficult, burning, or painful urination
  14. difficulty in swallowing
  15. dilated neck veins
  16. dizziness
  17. fainting
  18. fast, pounding, or irregular heartbeat or pulse
  19. fever or chills
  20. frequent urge to urinate
  21. headache
  22. increased volume of pale, dilute urine
  23. irregular, rapid, or slow breathing
  24. irregular heartbeat
  25. large, flat, blue, or purplish patches in the skin
  26. light-colored stools
  27. lightheadedness
  28. nervousness
  29. noisy breathing
  30. pain or burning feeling in the throat
  31. pinpoint red or purple spots on the skin
  32. pounding in the ears
  33. redness, swelling, or soreness of the tongue
  34. severe or continuing stomach pain
  35. slow heartbeat
  36. sore throat
  37. sores, ulcers, or white spots on the lips or tongue or inside the mouth
  38. stomach upset
  39. swelling or inflammation of the mouth
  40. swollen glands
  41. tenderness in the stomach area
  42. tremors
  43. unpleasant breath odor
  44. upper right stomach pain
  45. yellow eyes and skin


  1. Blistering, peeling, or loosening of the skin
  2. change in consciousness
  3. chest discomfort
  4. continuing vomiting
  5. cracks in the skin
  6. diarrhea
  7. dizziness, faintness, or lightheadedness when suddenly getting up from a lying or sitting position
  8. drowsiness
  9. fever with or without chills
  10. flushed, dry skin
  11. fruit-like breath odor
  12. general body swelling
  13. general feeling of illness
  14. high fever
  15. hives
  16. increased hunger
  17. joint or muscle pain
  18. large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  19. leg pain
  20. loss of consciousness
  21. loss of heat from the body
  22. no blood pressure
  23. no breathing
  24. no pulse
  25. nosebleeds
  26. painful glands
  27. pain or discomfort in the arms, jaw, back, or neck
  28. pains in the stomach, side, or abdomen, possibly radiating to the back
  29. pale or blue lips, fingernails, or skin
  30. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  31. racing heartbeat or pulse
  32. red skin lesions, often with a purple center
  33. red, irritated eyes
  34. red, swollen skin
  35. redness or soreness of the skin
  36. scaly skin
  37. seeing, hearing, or feeling things that are not there
  38. seizures
  39. severe headache
  40. sneezing
  41. sores, welting, or blisters
  42. stiff neck or back
  43. sweating
  44. swollen, painful, or tender lymph glands in the neck, armpit, or groin
  45. unexplained weight loss

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

Symptoms of overdose

  1. Unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

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. Continuing ringing or buzzing or other unexplained noise in the ears
  2. excess air or gas in the stomach or intestines
  3. feeling of fullness
  4. hearing loss
  5. passing gas
  6. stomach discomfort

Less common

  1. Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  2. discouragement
  3. dry mouth
  4. fear
  5. feeling of constant movement of self or surroundings
  6. feeling sad or empty
  7. hair loss, thinning of the hair
  8. increased sensitivity of the skin to sunlight
  9. irritability
  10. lack of appetite
  11. lack of interest or pleasure
  12. lack or loss of strength
  13. redness or other discoloration of the skin
  14. sensation of spinning
  15. severe sunburn
  16. sleepiness
  17. trouble concentrating
  18. trouble sleeping


  1. Appetite changes
  2. burning, dry, or itching eyes
  3. change in hearing
  4. discharge, excessive tearing
  5. redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid

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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