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. Gum numbness that continues
  2. gum swelling or irritation
  3. nausea

Rare

  1. Hoarseness
  2. rash
  3. swelling of the eyelids, face, lips, or tongue
  4. tightness in the chest
  5. trouble with breathing
  6. trouble with swallowing

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

Symptoms of overdose

  1. Blue or blue-purple color of the lips, fingernails, mouth, or skin
  2. blurred or double vision
  3. dark urine
  4. dizziness or drowsiness
  5. fainting
  6. feeling hot, cold, or numb
  7. headache
  8. irregular or fast heartbeat
  9. muscle twitching or trembling
  10. ringing or buzzing in the ears
  11. seizures
  12. unusual excitement, nervousness, or restlessness
  13. unusual tiredness or weakness
  14. 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. Bad or bitter taste
  2. mouth pain or soreness
  3. mouth ulcers

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.