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Generic Name: tropicamide ophthalmic (troe PIK a mide off THAL mik)
Brand Name: Mydriacyl, Tropicacyl
Physician reviewed Mydriacyl patient information - includes Mydriacyl description, dosage and directions.
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Drug Information:
Tropicamide causes muscles in the eye to become relaxed. This dilates (widens) the pupil so that it does not react (narrow) when your doctor shines an examination light into your eye. Mydriacyl (for the eyes) is used to dilate the pupil for an eye examination or other diagnostic procedure. Mydriacyl may also be used for purposes not listed in this medication guide. Protect your eyes from bright light while your pupils are dilated. You should not use Mydriacyl if you are allergic to it. To make sure Mydriacyl is safe for you, tell your doctor if you have: Learn more

Mydriacyl Side Effects

Mydriacyl Side Effects

Note: This document contains side effect information about tropicamide ophthalmic. Some of the dosage forms listed on this page may not apply to the brand name Mydriacyl.

For the Consumer

Applies to tropicamide ophthalmic: ophthalmic solution

Along with its needed effects, tropicamide ophthalmic (the active ingredient contained in Mydriacyl) 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 as soon as possible if any of the following side effects occur while taking tropicamide ophthalmic:

Symptoms of too much medicine being absorbed into the body

  • Clumsiness or unsteadiness
  • confusion
  • fast heartbeat
  • flushing or redness of face
  • hallucinations (seeing, hearing, or feeling things that are not there)
  • increased thirst or dryness of mouth
  • skin rash
  • slurred speech
  • swollen stomach in infants
  • unusual behavior, especially in children
  • unusual drowsiness, tiredness, or weakness

Some side effects of tropicamide ophthalmic 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

  • Blurred vision
  • headache
  • sensitivity of eyes to light
  • stinging of the eye when the medicine is applied

For Healthcare Professionals

Applies to tropicamide ophthalmic: compounding powder, ophthalmic solution


Side effects reported with this drug have included transient stinging, blurred vision, photophobia and superficial punctate keratitis. Some patients have experienced prolonged mydriasis.


Frequency not reported: Headache, drowsiness, somnolence, fatigue, trouble concentrating, central nervous system disturbances, dysphonia

Postmarketing reports: Dizziness


Frequency not reported: Psychotic reaction, behavioral disturbance

Behavioral disturbances or psychotic reactions may be more common in children.

Nervous system

Frequency not reported: Headache, drowsiness, somnolence, fatigue, trouble concentrating, central nervous system disturbances, dysphonia

Postmarketing reports: Dizziness


Transient bradycardia followed by tachycardia with palpitations and arrhythmias have been reported.

Frequency not reported: Tachycardia, bradycardia, arrhythmias, palpitations

Postmarketing reports: Hypotension, syncope


Frequency not reported: Allergic reaction, anaphylaxis


Frequency not reported: Dry mouth, thirst, dysphagia, nausea, vomiting, constipation


Frequency not reported: Rhinitis, reduced bronchial secretions, bronchospasm

Postmarketing reports: Dryness of mucous membranes


Frequency not reported: Urinary retention, difficult micturition


Frequency not reported: Erythematous rash, pruritus, pallor, flushing, increased sweating, dry skin


Frequency not reported: Muscle rigidity

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Mydriacyl