✅ Manages blood pressure
✅ Reduces cardiovascular risks
✅ Protects kidney function
✅ Lowers stroke risk
✅ Well-tolerated medication

Cosart contains Losartan Potassium.

Product Overview

Cosart is a medication formulated with the active ingredient Losartan Potassium. It belongs to a class of drugs known as angiotensin II receptor blockers (ARBs). Cosart is primarily prescribed for the treatment of hypertension (high blood pressure) in adults and children over six years old. It works by blocking the action of angiotensin II, a substance in the body that narrows blood vessels, thereby relaxing and widening them to improve blood flow.


Cosart is used to manage hypertension (high blood pressure) and reduce the risk of stroke, heart attack, and kidney problems in patients with hypertension and type 2 diabetes. It may also be prescribed to treat heart failure in patients who cannot tolerate angiotensin-converting enzyme (ACE) inhibitors.

How to Use

Take Cosart exactly as prescribed by your healthcare provider. It is typically taken orally once a day, with or without food. Swallow the tablet whole with a glass of water. Do not chew, crush, or break the tablet. Follow your doctor’s instructions carefully and continue taking Cosart even if you feel well. It may take several weeks for the full benefits of the medication to be realized.

How it Works

Losartan Potassium, the active ingredient in Cosart, works by selectively blocking the angiotensin II receptor, preventing it from binding to its receptors on blood vessels and other tissues. By blocking angiotensin II, Cosart helps to relax and widen blood vessels, reducing blood pressure and improving blood flow. This helps to lower blood pressure and reduce the workload on the heart, which can help prevent cardiovascular complications associated with hypertension.

Dosage and Administration

The recommended starting dose of Cosart for most adults with hypertension is 50 mg once daily. Your doctor may adjust the dosage based on your blood pressure response. The maximum recommended dose is 100 mg once daily. For pediatric patients aged 6 to 16 years old, the initial dose is based on body weight. Follow your doctor’s instructions regarding dosage adjustments and monitoring.


The primary benefit of Cosart is its effectiveness in lowering blood pressure and reducing the risk of cardiovascular events such as stroke, heart attack, and heart failure. It is well-tolerated and has a favorable safety profile. Additionally, Cosart may help to improve kidney function and reduce proteinuria (excess protein in the urine) in patients with diabetes and hypertension.

Common Side Effects

Common side effects of Cosart may include dizziness, lightheadedness, fatigue, headache, and cough. These side effects are usually mild and transient, resolving on their own as the body adjusts to the medication. In rare cases, Cosart may cause more serious side effects such as kidney problems, high potassium levels, or allergic reactions. Contact your doctor if you experience any concerning symptoms while taking Cosart.


Cosart should not be used during pregnancy, as it may harm an unborn baby. It is also not recommended for use in patients with severe liver disease or bilateral renal artery stenosis. Use caution when driving or operating machinery until you know how Cosart affects you, as it may cause dizziness or drowsiness. Inform your doctor about all medications, supplements, and herbal products you are taking before starting Cosart.

Storage Information

Store Cosart at room temperature away from light and moisture. Keep the medication out of reach of children and pets. Do not use Cosart after the expiration date printed on the label or packaging.


Our sole intention is to ensure that its consumers get information that is expert-reviewed, accurate, and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions, or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.


25 mg


30 Tablet/s, 60 Tablet/s, 90 Tablet/s, 180 Tablet/s


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