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Epinastine Ophthalmic Solution
Epinastine ophthalmic solution is an eye drop commonly prescribed for the prevention of eye allergy symptoms. Specifically, it is used to prevent eye itching related to allergies. This medication is a form of antihistamine that works by blocking H1 receptors and decreasing the release of histamine from certain cells in the body. Potential side effects include eye redness, sore throat, and folliculosis.
Epinastine ophthalmic solution (Elestat®) is a prescription eye drop used for the prevention of itchy eyes due to eye allergies (known medically as allergic conjunctivitis).
(Click What Is Epinastine Ophthalmic Solution Used For? for more information, including possible off-label uses.)
As with any medicine, epinastine ophthalmic solution can cause side effects. However, not everyone who takes the drug will experience bothersome side effects. Most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
Possible side effects of epinastine ophthalmic solution include, but are not limited to:
- A sore throat
- Eye redness
- Eye itching
- Tiny bumps on the inner surface of the eyelid (folliculosis).
(Click Side Effects of Epinastine Ophthalmic Solution to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD



