Side Effects

Drug information provided by: Merative, 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. Agitation

Less common

  1. Bigger, dilated, or enlarged pupils (black part of the eye)
  2. blurred vision or other changes in vision
  3. confusion
  4. increased sensitivity of the eyes to light

Incidence not known

  1. Burning feeling while urinating
  2. delusions of persecution, mistrust, suspiciousness, or combativeness
  3. difficulty in speaking
  4. disturbance in attention
  5. dry, itchy eyes
  6. eyelid irritation
  7. headache
  8. loss of memory
  9. poor coordination
  10. problems with memory
  11. restlessness
  12. seeing, hearing, or feeling things that are not there

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

Symptoms of overdose

  1. Anxiety
  2. blurred or loss of vision
  3. change in consciousness
  4. decrease in frequency of urination
  5. decrease in urine volume
  6. deep or fast breathing with dizziness
  7. difficulty in passing urine (dribbling)
  8. disturbed color perception
  9. double vision
  10. dry mouth
  11. dry, flushed skin
  12. fast, pounding, or irregular heartbeat or pulse
  13. halos around lights
  14. headache
  15. irritability
  16. loss of consciousness
  17. nervousness
  18. night blindness
  19. numbness of the feet, hands, and around the mouth
  20. overbright appearance of lights
  21. painful urination
  22. pounding in the ears
  23. seizures
  24. shaking
  25. sleepiness
  26. trouble with sleeping
  27. tunnel vision
  28. unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

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. Dizziness
  2. dry mouth
  3. sleepiness or unusual drowsiness

Less common

  1. Body aches or pain
  2. congestion
  3. cough
  4. dryness or soreness of the throat
  5. fever
  6. hoarseness
  7. runny nose
  8. tender, swollen glands in the neck
  9. trouble in swallowing
  10. voice changes

More common

  1. Burning feeling at the application site
  2. feeling of constant movement of self or surroundings
  3. itching, skin rash
  4. lightheadedness
  5. sensation of spinning

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.

From Mayo Clinic to your inbox

Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Click here for an email preview.

To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail.