Naphazoline is the common name for 2--2-imidazoline hydrochloride. It is a sympathomimetic agent with marked alpha adrenergic activity. It is a vasoconstrictor with a rapid action in reducing swelling when applied to mucous membrane.
Ophthalmic olopatadine is used to treat the symptoms of allergic pink eye. Olopatadine is in a class of medications called antihistamines. It works by blocking histamine, a substance in the body that causes allergic symptoms.
