Generic Mydriacyl

Common use

Mydriacyl (tropicamide) is prescribed for pupil dilation (mydriasis) during eye examinations or procedures. It works by relaxing the muscles of the iris, allowing the pupil to enlarge and improving the ophthalmologist’s view of the internal structures of the eye.

Dosage and direction

Mydriacyl is applied topically as eye drops. Follow your doctor’s instructions for the number of drops and frequency. Usually, one or two drops are instilled into the affected eye(s) 15–30 minutes before an eye examination. Avoid touching the dropper tip to your eye or other surfaces.

Precautions

Inform your doctor if you have glaucoma, eye injury, eye infection, or a history of allergies to eye medications. Avoid driving or operating machinery until vision returns to normal. Remove contact lenses before applying the drops and wait at least 15 minutes before reinserting them.

Contraindications

Do not use Mydriacyl if allergic to tropicamide or any component of the eye drops. Use with caution in patients with narrow-angle glaucoma or a history of eye trauma or surgery.

Possible side effect

Common side effects include temporary blurred vision, stinging, burning, or mild eye irritation. Serious side effects may include increased eye pressure, severe allergic reactions, headache, or rapid heartbeat. Seek medical attention if serious symptoms occur.

Drug interaction

Mydriacyl may interact with other eye medications, especially those affecting intraocular pressure. Inform your doctor of all eye drops or systemic medications you are using.

Missed dose

For diagnostic use, missed doses are generally not applicable. Follow your healthcare provider’s instructions for scheduled applications.

Overdose

Overuse may cause severe eye irritation, redness, or systemic effects such as rapid heartbeat or flushing. Seek medical attention if symptoms occur.

Storage

Store Mydriacyl at room temperature, away from light and moisture. Keep the bottle tightly closed and out of reach of children.

Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.

Clinical Verification

Last Clinically Updated: August 15, 2026

Written By

Dr. Elena Vance, PharmD

Clinical Specialist in Neuropharmacology

Fact Checked By

Marcus Thorne, MS

Biomedical Data & FDA Label Verification

Medically Reviewed By

Dr. Arthur Campbell, MD

Board-Certified Psychiatrist (ABPN)