Ophthalmic loteprednol products are used to treat different eye conditions: Loteprednol (Inveltys, Lotemax, Lotemax SM) is used to treat swelling and pain after cataract surgery (procedure to treat clouding of the lens in the eye). Loteprednol (Alrex) is used to reduce eye redness, itching, and swelling caused by seasonal allergies. Loteprednol (Lotemax) is used to reduce eye swelling caused by allergies, certain eye infections, ocular rosacea (condition that can cause swelling, redness, and itching of the eye), herpes zoster (shingles; a rash that can occur in people who have had chickenpox in the past and can affect the eyes), and other eye conditions. Loteprednol (Eysuvis) is used to treat dry eye disease (an eye disorder in which tears do not provide sufficient eye lubrication). Loteprednol is in a class of medications called corticosteroids. It works by stopping the release of certain natural substances that cause swelling, itching, and pain.