Side Effects

Drug information provided by: 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:

Less common

  1. Chest pain
  2. confusion
  3. confusion about identity, place, and time
  4. discouragement
  5. false or unusual sense of well-being
  6. fast, irregular, pounding, or racing heartbeat or pulse
  7. feeling sad or empty
  8. fever
  9. general feeling of discomfort or illness
  10. irritability
  11. lack of appetite
  12. lightheadedness
  13. loss of interest or pleasure
  14. shakiness and unsteady walk
  15. tiredness
  16. trouble concentrating
  17. trouble sleeping
  18. unsteadiness, trembling, or other problems with muscle control or coordination
  19. unusual tiredness or weakness

Less common or rare

  1. Anxiety
  2. bladder pain
  3. bloody or cloudy urine
  4. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  5. chills
  6. cold sweats
  7. crying
  8. decreased awareness or responsiveness
  9. depersonalization
  10. difficult, burning, or painful urination
  11. dizziness, faintness, or lightheadedness when getting up from lying or sitting position
  12. dry mouth
  13. dysphoria
  14. euphoria
  15. fainting
  16. frequent urge to urinate
  17. hyperventilation
  18. irregular heartbeats
  19. irritability
  20. lower back or side pain
  21. paranoia
  22. quick to react or overreact emotionally
  23. rapidly changing moods
  24. restlessness
  25. seeing, hearing, or feeling things that are not there
  26. severe sleepiness
  27. shakiness in the legs, arms, hands, or feet
  28. shortness of breath
  29. trembling or shaking of the hands or feet


  1. Attack, assault, or force
  2. black, tarry stools
  3. change in walking and balance
  4. clumsiness or unsteadiness
  5. cough
  6. delusions
  7. dementia
  8. difficulty swallowing
  9. dizziness
  10. hives, itching, or skin rash
  11. lack of feeling or emotion
  12. pale skin
  13. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  14. sore throat
  15. sores, ulcers, or white spots on the lips or in the mouth
  16. swollen glands
  17. thoughts of killing oneself or changes in behavior
  18. tightness in the chest
  19. troubled breathing with exertion
  20. uncaring
  21. unusual bleeding or bruising

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. Drowsiness
  2. headache
  3. muscle aches
  4. sleepiness or unusual drowsiness
  5. stuffy or runny nose

Less common

  1. Abdominal or stomach discomfort
  2. acid or sour stomach
  3. back pain
  4. being forgetful
  5. belching
  6. body aches or pain
  7. congestion
  8. diarrhea
  9. difficulty having a bowel movement (stool)
  10. difficulty with moving
  11. double vision
  12. feeling of constant movement of self or surroundings
  13. heartburn
  14. hoarseness
  15. indigestion
  16. longer or heavier menstrual periods
  17. loss of memory
  18. muscle pain or stiffness
  19. nausea
  20. pain or tenderness around the eyes and cheekbones
  21. seeing double
  22. sensation of spinning
  23. tender, swollen glands in the neck
  24. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
  25. voice changes

Less common or rare

  1. Bad, unusual, or unpleasant (after) taste
  2. breast pain
  3. change in taste
  4. changes in patterns and rhythms of speech
  5. increased sweating
  6. itching of the vagina or genital area
  7. pain during sexual intercourse
  8. paleness of the skin
  9. slurred speech
  10. thick, white vaginal discharge with no odor or with a mild odor
  11. vomiting


  1. Blemishes on the skin
  2. blindness
  3. blurred vision
  4. change in near or distance vision
  5. decreased interest in sexual intercourse
  6. difficulty in focusing eyes
  7. eye pain
  8. feeling of warmth
  9. frequent urge to defecate
  10. inability to have or keep an erection
  11. increased appetite
  12. increased sensitivity of the skin to sunlight
  13. lack or loss of strength
  14. loss in sexual ability, desire, drive, or performance
  15. pimples
  16. redness of the face, neck, arms, and occasionally, upper chest
  17. redness or other discoloration of the skin
  18. severe sunburn
  19. stomach upset
  20. straining while passing stool
  21. tearing
  22. 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.