Side Effects

Información sobre medicamentos proporcionada por: 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. Shakiness in the legs, arms, hands, or feet
  2. trembling or shaking of the hands or feet

Less common

  1. Extra heartbeat
  2. feeling faint, dizzy, or lightheadedness
  3. feeling of warmth or heat
  4. flushing or redness of the skin, especially on the face and neck
  5. headache
  6. sweating


  1. Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  2. excessive muscle tone
  3. muscle stiffness
  4. muscle tension or tightness

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

Symptoms of overdose

  1. Arm, back, or jaw pain
  2. blurred vision
  3. chest pain or discomfort
  4. chest tightness or heaviness
  5. confusion
  6. convulsions
  7. decreased urine
  8. dizziness
  9. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  10. dry mouth
  11. fainting
  12. fast, pounding, or irregular heartbeat or pulse
  13. general feeling of discomfort or illness
  14. increased thirst
  15. loss of appetite
  16. mood changes
  17. muscle pain or cramps
  18. nausea or vomiting
  19. nervousness
  20. numbness or tingling in the hands, feet, or lips
  21. pounding in the ears
  22. seizures
  23. shortness of breath
  24. sleeplessness
  25. slow or fast heartbeat
  26. trouble sleeping
  27. unable to sleep
  28. 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. Sleepiness or unusual drowsiness

Less common

  1. Anxiety
  2. lack or loss of strength


  1. Fever
  2. rash
  3. redness, soreness, or itching skin
  4. seeing, hearing, or feeling things that are not there
  5. sores, welting, or blisters

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.