It is is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (e.g., ocular hypertension).

Temporary blurred vision, bitter/sour/unusual taste in your mouth, dry eyes, temporary discomfort/itching/redness of the eye, feeling as if something is in your eye, eye discharge, and headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Known hypersensitivity to brimonidine or any component of the formulation; neonates, infants, and children younger than 2 years.