Side Effects

Drug information provided by: IBM 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. Blurred vision
  2. changes in vision
  3. clumsiness or unsteadiness
  4. double vision
  5. poor coordination
  6. skin rash

Less common

  1. Anxiety
  2. chest pain
  3. confusion
  4. continuous, uncontrolled back and forth or rolling eye movements
  5. depression
  6. increase in seizures
  7. infection
  8. irritability


  1. Blistering, peeling, or loosening of the skin
  2. chills
  3. cough
  4. dark urine
  5. diarrhea
  6. fever
  7. general feeling of discomfort or illness
  8. headache
  9. itching
  10. joint pain
  11. loss of appetite
  12. memory loss
  13. muscle cramps, pain, or weakness
  14. nausea
  15. red or irritated eyes
  16. runny nose
  17. shivering
  18. small red or purple spots on the skin
  19. sore throat
  20. sores, ulcers, or white spots on the lips or in the mouth
  21. swelling of the face, mouth, hands, or feet
  22. swollen lymph nodes
  23. trouble sleeping
  24. trouble with breathing
  25. unusual bleeding or bruising
  26. unusual tiredness or weakness
  27. vomiting
  28. yellow eyes or skin

Incidence not known

  1. Back, leg, or stomach pains
  2. bleeding gums
  3. bloating
  4. blood in the urine
  5. bloody, black or tarry stools
  6. bluish lips or skin
  7. bruising
  8. constipation
  9. cough
  10. coughing or vomiting blood
  11. difficulty with breathing
  12. difficulty with swallowing
  13. fainting
  14. fast heartbeat
  15. general body swelling
  16. general feeling of tiredness or weakness
  17. heartburn
  18. high fever
  19. hoarseness
  20. lightheadedness
  21. loss of balance control
  22. lower back or side pain
  23. mask-like face
  24. muscle spasms
  25. nosebleeds
  26. not breathing
  27. pain or burning in the throat
  28. painful or difficult urination
  29. pains in the stomach, side, or abdomen, possibly radiating to the back
  30. pale skin
  31. persistent bleeding or oozing from puncture sites, mouth, or nose
  32. rapid, shallow breathing
  33. redness, soreness, or itching skin
  34. shuffling walk
  35. slowed movement
  36. slurred speech
  37. sores, welting, or blisters
  38. stiffness of the arms and legs
  39. swollen or painful glands
  40. tic-like (jerky) movements
  41. tightness in the chest
  42. unexplained bleeding or bruising

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

Symptoms of overdose

  1. Clumsiness or unsteadiness (severe)
  2. continuous, uncontrolled back and forth or rolling eye movements (severe)
  3. dizziness (severe)
  4. drowsiness (severe)
  5. dryness of the mouth (severe)
  6. headache (severe)
  7. increased heart rate
  8. loss of consciousness
  9. slurred speech (severe)

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. Dizziness
  2. drowsiness

Less common

  1. Indigestion
  2. loss of strength
  3. menstrual pain
  4. pain
  5. trembling or shaking
  6. trouble with sleeping
  7. unusual weight loss

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.