Cyclopentolate Hydrochloride
Cyclopentolate Hydrochloride is an anticholinergic ophthalmic medication that temporarily dilates the pupil (mydriasis) and relaxes the eye's focusing muscles (cycloplegia). It is primarily used to facilitate eye examinations, particularly refraction tests in children, and may be prescribed for treating inflammatory conditions of the eye.
A short-acting anticholinergic eye drop used to dilate pupils and relax eye muscles for examinations and certain eye conditions.
Key facts at a glance
- RxNorm
- 106029
- Generic
- Cyclopentolate Hydrochloride
- Class
- pin-variant
- Brands
- Cylate, Cyclogyl, Cyclomydril
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Used for diagnostic pupillary dilation and cycloplegia during eye examinations and refraction tests, particularly in pediatric patients. Also prescribed for inflammatory conditions of the eye such as iritis and uveitis.
Works by blocking muscarinic acetylcholine receptors in the smooth muscle of the iris and ciliary body, causing temporary pupil dilation and paralysis of accommodation.
Temporary blurred vision and light sensitivity may occur. Contraindicated in patients with narrow-angle glaucoma. Systemic absorption can rarely cause anticholinergic effects in children and elderly patients. Effects typically wear off within 24 hours.
Official drug label
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy