What is Cyclomydril: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Cyclomydril overview

BRAND NAMES:

  • Cyclomydril

Generic Names:

  • Cyclomydril

Uses:

  • Used to dilate your eyes.

Therapeutic Classes:

  • Mydriatic-Cycloplegic

Forms:

  • Liquid, Drop

How it’s taken:

  • Into the eye

What is Cyclomydril used for?

Cyclomydril is a prescription-only medication that is taken to dilate the pupils before an eye examination. It works by relaxing the intrinsic eye muscles of the eye to allow the eye to dilate before an exam.

What form(s) does Cyclomydril come in

  • Liquid

  • Drop

What are common Cyclomydril doses?

  • Bottle 2ML of 0.2-1%

  • Bottle 5ML of 0.2-1%

Common Cyclomydril prescriptions

  • Cyclomydril
    5ml of 0.2-1% bottle

How to take Cyclomydril

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • If you are giving this medicine to a child: Watch your child closely for at least 30 minutes after you give this medicine. Side effects occur more often in children.Make sure you do not get any medicine in your child's mouth. Wash your hands and your child's hands with soap and water before and after you use this medicine.Ask your doctor about feeding your child. Your child may not tolerate food for 4 hours after receiving this medicine.

  • Ophthalmic routeLie down or tilt your head back. With your index finger, pull down the lower lid of your eye to form a pocket.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine at room temperature, away from heat and direct light.

  • To use the eye drops: Hold the dropper close to your eye with the other hand. Drop the correct number of drops into the pocket made between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 2 to 3 minutes. Do not rinse or wipe the dropper or allow it to touch anything, including your eye. Put the cap on the bottle right away. Keep the bottle upright when you are not using it.

  • To use the eye drops: Hold the dropper close to your eye with the other hand. Drop the correct number of drops into the pocket made between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 2 to 3 minutes. Do not rinse or wipe the dropper or allow it to touch anything, including your eye. Put the cap on the bottle right away. Keep the bottle upright when you are not using it.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • If you are giving this medicine to a child: Watch your child closely for at least 30 minutes after you give this medicine. Side effects occur more often in children.Make sure you do not get any medicine in your child's mouth. Wash your hands and your child's hands with soap and water before and after you use this medicine.Ask your doctor about feeding your child. Your child may not tolerate food for 4 hours after receiving this medicine.

  • Store the medicine at room temperature, away from heat and direct light.

  • Ophthalmic routeLie down or tilt your head back. With your index finger, pull down the lower lid of your eye to form a pocket.

What to do if you miss a dose of Cyclomydril

Cyclomydril contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to cyclopentolate or phenylephrine, or if you have untreated narrow-angle glaucoma.

Cyclomydril warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have an overactive thyroid, heart disease, or high blood pressure.

  • This medicine can caused blurred vision. Do not drive or do anything else that could be dangerous if you cannot see well.

  • This medicine will make your eyes sensitive to light. Wear sunglasses when you are outside.

  • This medicine is not for long-term use.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Cyclomydril interactions

  • Some medicines can affect how this medicine works. Tell your doctor if you are using medicine for glaucoma, such as carbachol or pilocarpine.

  • This medicine can caused blurred vision. Do not drive or do anything else that could be dangerous if you cannot see well.

  • This medicine will make your eyes sensitive to light. Wear sunglasses when you are outside.

  • This medicine is not for long-term use.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Cyclomydril side effects

Serious Side Effects

  • Seizures

  • Eye pain

  • Unusual behavior, confusion, restlessness, or seeing things that are not there (especially in children)

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Fast, pounding, or uneven heartbeat

Less Serious Side Effects

  • Mild burning in your eyes