Optivar

Azelastine, sold under the brand name Optivar among others, is a medication primarily used as a nasal spray to treat allergic rhinitis (hay fever) and as eye drops for allergic conjunctivitis.[3] Other uses may include asthma and skin rashes for which it is taken by mouth.[4] Onset of effects is within minutes when used in the eyes and within an hour when used in the nose.[5] Effects last for up to 12 hours.[5] Common side effect... [wikipedia]