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. chest pain, tightness, or discomfort
  3. confusion
  4. difficult or labored breathing
  5. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  6. fast, slow, irregular, pounding, or racing heartbeat or pulse
  7. lightheadedness, dizziness, or fainting
  8. nausea and vomiting
  9. sweating
  10. swelling of the face, fingers, feet, or lower legs
  11. unusual tiredness or weakness

Less common

  1. Body aches or pain
  2. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  3. cough or hoarseness
  4. decreased alertness
  5. difficulty with speaking
  6. dilated neck veins
  7. double vision
  8. feeling of warmth or heat
  9. fever or chills
  10. flushing or redness of the skin, especially on the face and neck
  11. headache
  12. inability to move the arms, legs, or facial muscles
  13. inability to speak
  14. irregular breathing
  15. joint pain or swelling
  16. loss of voice
  17. lower back or side pain
  18. nervousness
  19. noisy breathing
  20. painful, burning, or difficult urination
  21. pounding in the ears
  22. slow speech
  23. stomach pain or swelling
  24. weight gain


  1. Fast breathing
  2. pinpoint red spots on the skin

Incidence not known

  1. Black, tarry stools
  2. bleeding gums
  3. blood in the urine or stools
  4. blue lips and fingernails
  5. coughing that sometimes produces a pink frothy sputum
  6. crying
  7. delusions of persecution, mistrust, suspiciousness, or combativeness
  8. false or unusual sense of well-being
  9. feeling of unreality
  10. mental depression
  11. not able to move
  12. pale skin
  13. pinpoint red spots on the skin
  14. quick to react or overreact emotionally
  15. rapidly changing moods
  16. sense of detachment from self or body
  17. sore throat
  18. sores, ulcers, or white spots on the lips or in the mouth
  19. swelling in the legs and ankles
  20. swollen glands
  21. unusual bleeding or bruising

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

Symptoms of overdose

  1. Anxiety
  2. blurred vision
  3. chest pain or discomfort
  4. cold sweats
  5. confusion
  6. cool, pale skin
  7. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  8. depression
  9. fast, pounding, or irregular heartbeat or pulse
  10. increased hunger
  11. nightmares
  12. seizures
  13. shakiness
  14. slow or irregular heartbeat
  15. slurred speech
  16. sweating
  17. unusual tiredness or weakness

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. Acid or sour stomach
  2. difficulty with sleeping
  3. heartburn or indigestion
  4. pain in the arms or legs

Less common

  1. Changes in vision
  2. decreased sexual performance or desire
  3. loss of appetite
  4. mood changes
  5. night blindness
  6. passing gas
  7. skin rash
  8. weight changes


  1. Feeling of constant movement of self or surroundings
  2. hair loss or thinning of the hair
  3. itching skin
  4. muscle aches, cramps, pains, or stiffness
  5. quick to react or overreact emotionally
  6. sensation of spinning
  7. 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.

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