# Losartan Potassium (Cozaar)

Source: https://ourhealthnetwork.com/drugs/losartan-potassium
Data: FDA Orange Book and OpenFDA, refreshed periodically

## What is Losartan Potassium?

Losartan Potassium (brand name: Cozaar) is an angiotensin ii receptor antagonist. It is prescribed to treat hypertension, hypertrophy, left ventricular. Across the United States, 292,000 doctors prescribe Losartan to approximately 9.6 million Medicare patients, making it one of the top 6 most prescribed drugs in America.

## Brand names

Cozaar

## Indications

Losartan Potassium is prescribed for several conditions including hypertension, hypertrophy, left ventricular, among others.

## Conditions treated

- [Hypertension](https://ourhealthnetwork.com/conditions/hypertension)
- [Hypertrophy](https://ourhealthnetwork.com/conditions/hypertrophy)
- [Left Ventricular](https://ourhealthnetwork.com/conditions/left-ventricular)
- [Diabetic Nephropathies](https://ourhealthnetwork.com/conditions/diabetic-nephropathies)
- [Heart Failure](https://ourhealthnetwork.com/conditions/heart-failure)
- [Ventricular Dysfunction](https://ourhealthnetwork.com/conditions/ventricular-dysfunction)
- [Left](https://ourhealthnetwork.com/conditions/left)

## Mechanism of action

Angiotensin II [formed from angiotensin I in a reaction catalyzed by angiotensin converting enzyme (ACE, kininase II)] is a potent vasoconstrictor, the primary vasoactive hormone of the renin-angiotensin system, and an important component in the pathophysiology of hypertension. It also stimulates aldosterone secretion by the adrenal cortex.

## Drug classification

- Established Pharmacologic Class: angiotensin II receptor antagonists
- Route of administration: ORAL

## Common side effects

back pain, dizziness, nasal congestion, upper respiratory infection

## Sources and disclaimers

- FDA Orange Book and OpenFDA dataset
- This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional before starting, stopping, or changing any medication.

## Related

- [All drugs](https://ourhealthnetwork.com/drugs)
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- [Methodology](https://ourhealthnetwork.com/methodology)
