Olopat Max Drops is a medication used to treat allergic conjunctivitis, a condition where the eyes become red, itchy, and watery due to allergens such as pollen, dust, or pet dander. Olopat Max Drops contains olopatadine, which is an antihistamine that helps to reduce the symptoms of allergic conjunctivitis by blocking the release of histamine, a chemical that causes inflammation and itching. This medication is usually applied directly to the affected eye(s) as directed by a healthcare professional. It is important to follow the dosage instructions carefully and to avoid touching the dropper tip to prevent contamination. Common side effects may include temporary burning or stinging in the eyes, but serious side effects are rare. If you experience any severe or persistent side effects, contact your doctor immediately.