COZAAR

Used for Hypertension

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Manufactured by Merck & Co., Inc.

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COZAAR Uses, Side Effects, Interactions, Warnings & Dosing

What is COZAAR?

What is COZAAR?

COZAAR is the brand name for losartan potassium and is available as an oral tablet.

What dosages is COZAAR available in?

What dosages is COZAAR available in?

COZAAR is available as a 25 mg, 50 mg, and 100 mg oral tablet.

What is COZAAR used for?

What is COZAAR used for?

COZAAR is an ARB used to treat high blood pressure, to lower the risk of stroke in people with high blood pressure who have a thickened heart (left ventricular hypertrophy), and to slow down the worsening of kidney problems in people with Type 2 diabetes and high blood pressure.

How does COZAAR work?

How does COZAAR work?

COZAAR is an angiotensin II receptor blocker (ARB). The medication blocks a hormone that’s normally made in your body called angiotensin II from attaching to its receptors (signaling proteins) in your body. As a result, this helps lower your blood pressure in a few ways:

1. Relaxes your blood vessels so blood can flow through more easily

2. Stops your body from releasing aldosterone, a hormone that normally causes your body to hold onto water and affect blood pressure

3. Prevents your kidneys from absorbing water and salt (sodium) back into the body

How do I take COZAAR?

How do I take COZAAR?

COZAAR is typically taken by mouth once daily. The maximum recommended dose is 100 mg once daily.

Is it safe for me to take COZAAR?

Is it safe for me to take COZAAR?

COZAAR is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have diabetes and are taking aliskiren.

COZAAR Common Side Effects

COZAAR Common Side Effects

Common side effects of COZAAR include:

  • Upper respiratory infection (e.g., common cold)
  • Dizziness
  • Stuffy nose
  • Back pain
  • Tiredness or sleepiness
  • Headache
  • Stomach pain
  • Swelling in the hands or feet
COZAAR Serious Side Effects

COZAAR Serious Side Effects

Serious side effects are rare with COZAAR. Contact your healthcare provider immediately if you experience any of the following.

  • Dangerously low blood pressure: dizziness, lightheadedness, pale skin, feeling faint
  • Serious kidney problems: urinating less often than usual; swelling in your feet, ankles, or hands; unexplained weight gain
  • High blood potassium levels: nausea, muscle weakness, abnormal heartbeat
Effects of other drugs, drug classes and over-the-counter products on COZAAR

Effects of other drugs, drug classes and over-the-counter products on COZAAR

The following medications may interact with COZAAR:

  • Drugs that increase serum potassium – Risk of hyperkalemia
  • Lithium – Risk of lithium toxicity
  • NSAIDs – Increased risk of renal impairment and reduced diuretic, natriuretic, and antihypertensive effects
  • Dual inhibition of the renin-angiotensin system – Increased risk of renal impairment, hypotension, syncope, and hyperkalemia
Who makes COZAAR?

Who makes COZAAR?

Merck & Co., Inc.

Is COZAAR safe in pregnancy?

Is COZAAR safe in pregnancy?

COZAAR may cause harm to your unborn baby. You should discontinue this medication immediately if you become pregnant.

What is the generic name for COZAAR?

What is the generic name for COZAAR?

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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