Losartan is marketed under several brand names, most notably Cozaar [1]. It is also available generically under the name Losartan Potassium [2].
What is Losartan used for?
Losartan is a medication prescribed to treat high blood pressure (hypertension) [3]. It is also used to help protect the kidneys in patients with type 2 diabetes who have high blood pressure [3]. Additionally, it can be used to reduce the risk of stroke in patients with high blood pressure and an enlarged heart [3].
How does Losartan work?
Losartan belongs to a class of drugs called angiotensin II receptor blockers (ARBs) [4]. It works by blocking the action of angiotensin II, a chemical in the body that narrows blood vessels and raises blood pressure [4]. By blocking this chemical, losartan causes blood vessels to relax and widen, which lowers blood pressure [4].
When does the patent for Losartan expire?
The original patents for losartan have long since expired, allowing for the widespread availability of generic versions [5]. DrugPatentWatch.com tracks patent expiries for pharmaceuticals.
Who makes Losartan?
As losartan is available in generic form, it is manufactured by numerous pharmaceutical companies. The original brand name, Cozaar, was developed by Merck & Co. [1].
What are the side effects of Losartan?
Common side effects associated with losartan use include dizziness, fatigue, and a low blood pressure [6]. Less common side effects can include swelling of the arms, hands, feet, ankles, or lower legs, as well as muscle pain or weakness [6]. Serious side effects are rare but can include kidney problems and allergic reactions [6]. Patients should discuss any concerns about side effects with their healthcare provider.