Side Effects

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. Anxiety
  2. arm, back, or jaw pain
  3. blurred vision
  4. change in how much and how often you urinate
  5. change in vaginal discharge
  6. changes in skin color
  7. changes in vision
  8. changes in weight
  9. chest pain, discomfort, tightness, or heaviness
  10. confusion
  11. constipation
  12. cough
  13. depression
  14. dilated neck veins
  15. dizziness, lightheadedness
  16. dry mouth
  17. fainting
  18. fast, slow, or irregular heartbeat
  19. inability to speak, incoherent speech
  20. irregular breathing
  21. loss of appetite
  22. metallic taste in the tongue
  23. muscle weakness
  24. nausea
  25. pain or discomfort in the arms, jaw, back, or neck
  26. pain or feeling of pressure in the pelvis
  27. pain, tenderness, or swelling of the foot or leg
  28. seizures
  29. severe or sudden headache
  30. stomach pain
  31. sweating
  32. swelling of the face, fingers, feet, or lower legs
  33. temporary blindness
  34. tenderness, pain, swelling, warmth, skin discoloration, prominent superficial veins over the affected area
  35. thirst
  36. troubled breathing
  37. unusual tiredness or weakness
  38. vaginal bleeding
  39. vomiting
  40. weakness in the arm and or leg on one side of the body, sudden and severe

Incidence not known

  1. Black, tarry stools
  2. bleeding gums
  3. blood in the urine or stools
  4. chills
  5. clay-colored stools
  6. dark urine
  7. fever
  8. itching
  9. painful or difficult urination
  10. pinpoint red spots on the skin
  11. rash
  12. sore throat
  13. sores, ulcers, or white spots on the lips or in the mouth
  14. swollen glands
  15. unpleasant breath odor
  16. unusual bleeding or bruising
  17. vomiting of blood
  18. yellow eyes or 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:

More common

  1. Blindness
  2. decreased vision
  3. dry eyes
  4. feeling of warmth
  5. redness of the face, neck, arms, and occasionally, the upper chest
  6. sudden sweating
  7. sweating

Less common

  1. Bone pain
  2. changes in vision
  3. double vision
  4. eye pain
  5. tearing

Incidence not known

  1. Blistering, crusting, irritation, itching, or reddening of the skin
  2. cracked, dry, or scaly skin
  3. depression
  4. difficulty having a bowel movement
  5. feeling of constant movement of self or surroundings
  6. feeling unusually cold
  7. hair loss
  8. lack or loss of strength
  9. partial or slight paralysis
  10. sensation of spinning
  11. shakiness in the legs, arms, hands, or feet
  12. thinning of the hair

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.