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Contents
Common use
Cozaar (losartan potassium) is a widely used angiotensin II receptor blocker (ARB) prescribed to manage high blood pressure (hypertension) and reduce the risk of stroke in people with an enlarged heart. It is also used to protect the kidneys in patients with type 2 diabetes and proteinuria (protein in the urine).
By blocking the action of angiotensin II - a hormone that narrows blood vessles. Cozaar helps relax blood vessels, lowering blood preasure and making it easier for the heart to pump blood.
It can be used alone or in combination with other medications, including diuretics like hydrochlorothiazide. It is often a first-line treatment for hypertension in patients who cannot tolerate ACE inhibitors.
Dosage and direction
Cozaar is taken by mouth once or twice daily, with or without food. The usual starting dose is 50 mg per day, and it may be increased to 100 mg daily depending on response.
For diabetic kidney disease, the recommended dose is typically 50-100 mg daily. Swallow tablets whole with water - do not crush or chew.
Always take it at the same time each day. Blood preasure should be monitored regularly to ensure effectiveness.
Precautions
Before taking Cozaar, tell your doctor if you have liver disease, kidney problems, or if you are on a low-sodium or potassium-restricted diet.
This medication can cause high potassium levels (hyperkalemia), especially in people with kidney conditions or those taking potassium supplements.
It is not recommended during pregnancy, particularly in the second or third trimester, as it may harm the unborn baby.
Dizzyness may occur, especially when standing quickly. Rise slowly from sitting or lying positions.
Contraindications
Do not use Cozaar if you are allergic to losartan or any of its components.
It is contraindicated in pregnancy and should not be used together with aliskiren in patients with diabetes or kidney impairment.
Patients with hereditary problems like galactose intolerance or severe hepatic dysfunction should avoid this medication.
Possible side effects
Common side effects include dizziness, back pain, nasal congestion, and fatigue. These are usually mild and go away as the body adjusts.
Serious but rare effects may include:
High potassium levels (muscle weakness, slow heartbeat)
Kidney problems (swelling, changes in urination)
Fainting or significant drops in blood pressure
Seek imediate medical help if you experience allergic reactions like swelling, rash, or breathing difficulty.
Drug interactions
Cozaar may interact with:
Potassium supplements or potassium-sparing diuretics (like spironolactone)
NSAIDs (e.g. ibuprofen) - may reduce kidney function
Lithium increased toxicity risk
Other antihypertensives or diuretics
Always provide your doctor a full list of all medicines and supplements you take.
Missed dose
If you miss a dose, take it as soon as you remember. If it is almost time for the next one, skip the missed dose do not double up.
Overdose
Symptoms of overdose may include extreme dizziness, fainting, or very slow heartbeat. Call emerjency services right away if an overdose is suspected.
Storage
Store at room temperature (20° - 25°C / 68° - 77°F). Keep in a dry place, away from direct sunlight and moisture. Keep all medications away from children and pets.
U.S. Sale and Prescription Policy
In the United States, Cozaar is a prescription-only medication approved by the FDA for the treatment of hypertension and diabetic nephropathy.
It requires a valid prescription from a licensed healthcare provider. Cozaar is commonly prescribed after a full evaluation of blood preasure, kidney function, and cardiovascular risk. Generic losartan is widely available and typically covered by insurance.
U.S. pharmacies, including mail-order and telehealth-based services, require proper authorization and periodic follow-ups to refill Cozaar. Self-medication is not permitted and may lead to serious adverse effects.
Disclaimer
This content is for educational purposes only and is not a substitute for medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before using any prescription medicine. We are not responsble for misuse or misinterpretation of this information.