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 or nurse immediately if any of the following side effects occur:

More common

  1. Black, tarry stools
  2. bleeding gums
  3. bloating or swelling of the face, arms, hands, lower legs, or feet
  4. blood in the urine or stools
  5. burning, numbness, tingling, or painful sensations
  6. chest pain
  7. chills
  8. cough
  9. difficult or labored breathing
  10. difficult or painful urination
  11. fever
  12. lower back or side pain
  13. pale skin
  14. pinpoint red spots on the skin
  15. rapid weight gain
  16. sore throat
  17. sores, ulcers, or white spots on the lips or in the mouth
  18. swollen glands
  19. tightness in the chest
  20. unsteadiness or awkwardness
  21. unusual bleeding or bruising
  22. unusual tiredness or weakness
  23. unusual weight gain or loss
  24. weakness in the arms, hands, legs, or feet

Less common

  1. Blurred vision
  2. confusion
  3. decreased urination
  4. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  5. dry mouth
  6. fainting
  7. fast, slow, or irregular heartbeat
  8. lightheadedness
  9. rapid breathing
  10. sunken eyes
  11. sweating
  12. thirst
  13. wrinkled skin

Incidence not known

  1. Blue lips, fingernails, or skin
  2. burning feeling in the chest or stomach
  3. fast breathing
  4. frequent urination
  5. general feeling of discomfort or illness
  6. indigestion
  7. lower abdominal cramping
  8. nausea
  9. severe constipation
  10. stomach pain or upset
  11. tenderness in the stomach area
  12. thickening of bronchial secretions
  13. vomiting

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. Belching
  2. change in taste
  3. constipation
  4. cracked lips
  5. decreased weight
  6. diarrhea
  7. difficulty with swallowing
  8. hair loss
  9. headache
  10. heartburn
  11. indigestion
  12. lack or loss of strength
  13. loss of appetite
  14. stomach discomfort
  15. thinning of the hair
  16. weight loss

Less common

  1. Back pain
  2. difficulty with moving
  3. muscle pain, spasm, or stiffness
  4. pain in the joints
  5. pain, itching, burning, swelling, or a lump under your skin where the needle is placed

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.