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. Abdominal or stomach pain
  2. blurred vision
  3. bulging soft spot on the head of an infant
  4. burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  5. change in the ability to see colors, especially blue or yellow
  6. chest pain or discomfort
  7. confusion
  8. cough
  9. decreased urination
  10. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  11. fainting
  12. fast, pounding, or irregular heartbeat or pulse
  13. headache
  14. hives, itching, or skin rash
  15. increased sweating
  16. loss of appetite
  17. nausea or vomiting
  18. nervousness
  19. pounding in the ears
  20. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  21. severe constipation
  22. severe vomiting
  23. shakiness in the legs, arms, hands, or feet
  24. slow heartbeat
  25. sweating or chills

Incidence not known

  1. Black, tarry stools
  2. cold, clammy skin
  3. feeling of warmth or heat
  4. flushing or redness of the skin, especially on the face and neck
  5. irregular, fast or slow, or shallow breathing
  6. lightheadedness
  7. loss of consciousness
  8. low blood pressure or pulse
  9. painful urination
  10. pale or blue lips, fingernails, or skin
  11. pale skin
  12. pinpoint red spots on the skin
  13. pounding in the ears
  14. shakiness and unsteady walk
  15. unsteadiness, trembling, or other problems with muscle control or coordination
  16. unusual bleeding or bruising
  17. very slow heartbeat

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

Symptoms of overdose

  1. Constricted, pinpoint, or small pupils (black part of the eye)
  2. decreased awareness or responsiveness
  3. extreme drowsiness
  4. fever
  5. increased blood pressure
  6. increased thirst
  7. lower back or side pain
  8. muscle cramps or spasms
  9. muscle pain or stiffness
  10. no muscle tone or movement
  11. severe sleepiness
  12. swelling of the face, fingers, or lower legs
  13. weight gain

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. Cramps
  2. difficulty having a bowel movement (stool)
  3. drowsiness
  4. false or unusual sense of well-being
  5. relaxed and calm feeling
  6. sleepiness or unusual drowsiness
  7. weight loss

Less common

  1. Absent, missed, or irregular menstrual periods
  2. agitation
  3. bad, unusual, or unpleasant (after) taste
  4. change in vision
  5. depression
  6. dry mouth
  7. face is warm or hot to touch
  8. floating feeling
  9. halos around lights
  10. heartburn or indigestion
  11. loss in sexual ability, desire, drive, or performance
  12. muscle stiffness or tightness
  13. night blindness
  14. overbright appearance of lights
  15. problems with muscle control
  16. redness of the skin
  17. skin rash
  18. stomach discomfort or upset
  19. trouble sleeping
  20. uncontrolled eye movements

Incidence not known

  1. Abnormal dreams
  2. change in walking and balance
  3. change or problem with discharge of semen
  4. clumsiness or unsteadiness
  5. confusion as to time, place, or person
  6. delusions
  7. dementia
  8. feeling of constant movement of self or surroundings
  9. general feeling of discomfort or illness
  10. holding false beliefs that cannot be changed by fact
  11. problems with memory
  12. seeing, hearing, or feeling things that are not there
  13. sensation of spinning
  14. unusual excitement, nervousness, or restlessness

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.