Generic Imitrex is used for the treatment of migraine headaches with or without aura (eg, flashing lights, wavy lines, dark spots). An aura is a strange feeling or visual disturbance that warns you of an attack. It is not used to prevent migraines.
Generic Zetia is used for treating high blood cholesterol along with a low-fat, low-cholesterol diet. It may be used alone or with other medicines. It is also used to treat high blood sitosterol and campesterol along with diet therapy.