<unk> , sold under the brand name Trusopt among others, is a medication used to treat high pressure inside the eye including glaucoma. It is used as an eye drop. Effects begin within three hours and lasts for at least eight hours. It is also available as the combination<unk> /timolol. Common side effects include eye discomfort, eye redness, taste changes, and blurry vision. Serious side effects include Steven Johnson syndrome. Those allergic to sulfonamides may be allergic to<unk> . Use is not recommended in pregnancy or breastfeeding. It is a carbonic anhydrase inhibitor and works by decreasing the production of aqueous humour.<unk>  was approved for medical use in the United States in 1994. It is available as a generic medication. In 2017, it was the 281st most commonly prescribed medication in the United States, with more than one million prescriptions. It is a second-generation carbonic anhydrase inhibitor.
Dorzolamide
Brinzolamide
Acebutolol
Prazosin
Felodipine
Etizolam
Acetazolamide
Phenylephrine