User:Mr. Ibrahem/Olopatadine

Olopatadine is a medication used to decrease the symptoms of allergic conjunctivitis and allergic rhinitis (hay fever). It is used as eye drops or as a nasal spray. The eye drops general result in an improvement within half an hour.

Common side effects include headache, sore throat, eye discomfort, and change in taste. More significant side effects may include sleepiness. It is unclear if use during pregnancy or breastfeeding is safe. It is an antihistamine and mast cell stabilizer.

Olopatadine was patented in 1986 and came into medical use in 1997. It is available as a generic medication. A 5 milliliter bottle of the eye drops in the United Kingdom costs the NHS less than £5 as of 2019. In the United States the wholesale cost of this amount is about US$12.50. In 2017, it was the 270th most commonly prescribed medication in the United States, with more than one million prescriptions.