Prescription
Anticholinergic (Mydriatic — eye pupil dilator)
Cyclopentolate Hydrochloride
Last reviewed April 2026
Who is this for?
What is this drug?
Cyclopentolate hydrochloride is an eye drop that temporarily relaxes the muscles in your eye, causing your pupil (the black part of your eye) to widen and stopping your eye from focusing. It works by blocking certain nerve signals in the eye.
What is it used for?
Eye examination preparation (to widen the pupil so the doctor can see inside your eye)eye pain and inflammation after eye surgery or eye injury
Prescription Required
A doctor's prescription is required to obtain this drug legally.