Buy Cozaar
Cozaar

$0.59
Active Ingredient
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Prescription
Issued on site / Included
Availability
In Stock
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Cozaar Properties

Active Ingredients
Primary Category
Therapeutic Class
Pharmacological Class
Angiotensin II receptor blocker (ARB)
Moderate Side Effects
Dosage Forms
Tablets
Administration Route
Oral
Mechanism of Action
Blocks a substance in the body called angiotensin II, which helps relax blood vessels and lower blood pressure.
Prescription Status
Rx
Manufacturer
Merck
Patient Summary
Helps lower high blood pressure and protect the kidneys in certain patients with diabetes.
Onset Time
Begins working in about 6 hours, full effect within 3-6 weeks
Duration
Typically taken once daily
Storage Instructions
Store at room temperature
Age Restrictions
Approved for use in certain older children and adults
Pregnancy Use
Do not use during pregnancy
Alternative Drugs

About Cozaar

Cozaar (losartan) is a prescription tablet used primarily to lower blood pressure and protect the heart and kidneys from damage caused by hypertension. It belongs to the class of angiotensin II receptor blockers (ARBs) and is taken orally in strengths of 25 mg, 50 mg or 100 mg. In Singapore, Cozaar is approved for hypertension, heart-failure management, and for reducing the risk of stroke in patients with left-ventricular hypertrophy. The drug is also employed to slow renal decline in individuals with type-2 diabetes and proteinuria. While the molecule is identical to generic losartan, the Cozaar brand is manufactured by Merck Sharp & Dohme and is widely recognised for its consistent quality.

What is Cozaar?

Cozaar is the trade name for the active ingredient losartan potassium, an ARB that blocks the binding of angiotensin II to its type-1 receptor. First approved in the United States in 1995, the medication quickly gained global acceptance because it offers blood-pressure control comparable to older agents such as ACE inhibitors, but with a lower incidence of cough and angio-edema. In Singapore, Cozaar is listed on the Ministry of Health’s Drug Formulary and is reimbursed under several private insurance schemes. Generic versions containing losartan are available at a lower price, yet many patients prefer the brand due to its established track record and the assurance of strict manufacturing standards.

How Cozaar Works

Angiotensin II is a potent vasoconstrictor that narrows blood vessels, raises systemic vascular resistance, and stimulates aldosterone secretion, which together elevate blood pressure. By occupying the AT₁ receptor, losartan prevents angiotensin II from exerting these effects. The blockade leads to vasodilation, reduced sodium and water reabsorption, and a modest decline in sympathetic tone.

Pharmacokinetically, losartan is well absorbed after oral ingestion, reaching peak plasma concentrations within 1 - 2 hours. It undergoes extensive hepatic metabolism via CYP2C9 and CYP3A4 to produce an active metabolite (EXP-3174) that is roughly three-fold more potent at the AT₁ receptor. Both parent drug and metabolite are eliminated primarily by the kidneys, with a terminal half-life of about 2 hours for losartan and 6-9 hours for the metabolite, supporting once-daily dosing. Food does not significantly affect absorption, allowing the tablet to be taken with or without meals. The combination of rapid onset, sustained receptor blockade, and a favorable safety profile explains why losartan remains a cornerstone of cardiovascular therapy.

Why Cozaar is Used for Cardiovascular Conditions

  • Hypertension: Elevated angiotensin II levels are a common driver of persistent high blood pressure. By disabling the receptor, Cozaar reduces peripheral resistance, producing an average systolic decline of 8-12 mm Hg. Clinical guidelines, including those from the ESC/ESH, rank ARBs as first-line agents for most adult patients, especially when cough from ACE inhibitors is problematic.

  • Heart-Failure with Reduced Ejection Fraction: In heart failure, neuro-hormonal activation worsens ventricular remodeling. Blocking AT₁ receptors mitigates maladaptive fibrosis and improves left-ventricular ejection fraction. Randomised trials have shown a 13 % relative reduction in cardiovascular mortality when losartan is added to standard therapy.

  • Stroke Prevention in Left-Ventricular Hypertrophy: Chronic pressure overload leads to myocardial thickening, a risk factor for cerebrovascular events. Losartan’s ability to regress hypertrophy, demonstrated in the LIFE study, translates into a lower incidence of stroke compared with beta-blockers.

  • Diabetic Nephropathy: Proteinuria reflects kidney damage mediated by angiotensin II. Losartan’s receptor blockade reduces intraglomerular pressure, slowing the decline of glomerular filtration rate. Meta-analyses report a 20-30 % reduction in progression to end-stage renal disease among type-2 diabetics receiving the drug.

  • Secondary Prevention after Myocardial Infarction: By attenuating after-load and limiting maladaptive remodeling, losartan aids recovery after an infarct. Although ACE inhibitors are often first choice, ARBs provide a tolerated alternative for patients who cannot tolerate ACE-related side effects.

Off-Label and Investigational Uses of Cozaar

Some clinicians explore losartan beyond its approved indications. Small studies suggest modest benefit in migraine prophylaxis, possibly through cerebral vasodilation, yet robust evidence is lacking. The drug has also been investigated for reducing hepatic fibrosis in non-alcoholic steatohepatitis, where angiotensin-II contributes to stellate-cell activation. Off-label use only under qualified healthcare provider supervision.

Is Cozaar Right for You?

Cozaar suits adults whose blood pressure remains uncontrolled despite lifestyle measures, or who have comorbid heart-failure or diabetic kidney disease. Patients with severe liver impairment, pregnancy, or a history of angio-edema should avoid it, as noted above. Elderly individuals often start at the lower 25 mg dose because renal clearance declines with age, reducing exposure to the active metabolite. Those taking potassium-sparing diuretics or supplements may need periodic serum potassium checks to prevent hyperkalaemia. If you fit the profile of a patient who benefits from vasodilation without the dry cough associated with ACE inhibitors, Cozaar is a reasonable option pending physician evaluation.

Taking Cozaar Effectively

The tablet should be swallowed whole with a glass of water; crushing can alter absorption. Because food does not interfere, you may align the dose with a daily routine-morning or evening-whichever enhances adherence. If a dose is missed and the next scheduled dose is more than 12 hours away, take the forgotten tablet as soon as you remember; otherwise, skip it to avoid double-dosing. Consistency is crucial: irregular intake blunts the 24-hour blood-pressure-lowering effect. Pair the medication with a low-sodium diet, regular exercise, and weight management for maximal benefit. When travelling, keep the tablets in their original container, store them below 30 °C, and avoid exposure to moisture.

Understanding Side Effects and How to Manage Them

Most patients tolerate Cozaar well, yet the medication can influence electrolyte balance and renal function. Hyperkalaemia arises when the drug prevents aldosterone-mediated potassium excretion; routine blood-test monitoring every 3-6 months helps catch rising levels early. If you notice muscle weakness or irregular heartbeat, inform your clinician promptly. Hypotension may occur, especially after the first few doses or when combined with other antihypertensives. Rising to a seated position slowly and ensuring adequate hydration can mitigate dizziness. Rarely, patients develop angio-edema-swelling of the lips, tongue or throat. This reaction demands immediate emergency care. Persistent cough, fatigue, or mild gastrointestinal upset generally resolve without intervention, but persistent symptoms merit a follow-up visit.

Buying Cozaar from Our Online Pharmacy

Why Choose Our Service?

Our platform streamlines access to Cozaar for residents who encounter supply shortages or high retail prices locally. By sourcing directly from licensed international distributors, we keep costs close to wholesale rates while preserving the brand’s quality.

Quality & Safety

We partner with pharmacies that hold valid licenses under Singapore’s Health Sciences Authority and adhere to WHO-guideline manufacturing practices. Every shipment is verified for authenticity, batch-number tracing, and tamper-evident packaging.

Pricing & Access

Because Cozaar is a patented product, the retail price in Singapore can be steep. Ordering through our online pharmacy often yields a 20-30 % discount compared with brick-and-mortar outlets. We also list equivalent generic losartan tablets for even greater savings, should you prefer a lower-cost alternative.

Discreet Delivery

Orders arrive in unmarked envelopes, padded with bubble wrap to protect the tablets. Standard airmail typically reaches you within three weeks, while express shipping delivers in 5-7 days. All personal information is encrypted, ensuring confidentiality from dispatch to doorstep.

Frequently Asked Questions

  • What should I do if I feel light-headed after taking Cozaar? Light-headedness often reflects a transient drop in blood pressure. Sit or lie down, elevate your legs, and drink a glass of water. If the sensation persists beyond a few minutes, contact your healthcare provider.

  • Can I take Cozaar with a potassium supplement? Since losartan reduces potassium excretion, adding a supplement may raise serum potassium excessively. Your doctor should check potassium levels before combining the two.

  • How long before I see a blood-pressure reduction? Most patients notice a modest decline within one week, with maximal effect achieved after 2-4 weeks of consistent dosing.

  • Is it safe to use Cozaar while pregnant? Losartan is contraindicated in pregnancy because it can harm the developing fetus, particularly the kidneys and skull. Women planning conception should discuss alternative therapies with their physician.

  • Will Cozaar protect my kidneys even if I don’t have diabetes? The drug reduces intraglomerular pressure, a mechanism beneficial for any condition that elevates renal workload. However, kidney-protective benefits are most evident in diabetic nephropathy studies.

  • Do I need to avoid any foods while on Cozaar? No specific dietary restrictions exist, but reducing high-sodium foods enhances antihypertensive efficacy. Maintaining balanced potassium intake is advisable.

  • Can I switch from an ACE inhibitor to Cozaar without a wash-out period? A brief 24-hour gap is recommended to minimise the risk of additive angio-edema. Your prescriber will guide the transition.

  • Is Cozaar effective for heart failure patients who also have low blood pressure? In patients with borderline hypotension, a lower starting dose (25 mg) is often used, with careful titration based on clinical response and blood-pressure monitoring.

  • How does Cozaar compare with other ARBs like valsartan? Both agents block the same receptor, but losartan’s active metabolite provides a slightly longer duration of action. Comparative trials show similar blood-pressure reductions; choice often depends on tolerability, cost, and clinician experience.

  • Will my insurance cover Cozaar purchased online? Coverage varies by provider. Some insurers reimburse for medications obtained through accredited overseas pharmacies, provided a prescription is submitted. Verify with your insurer before ordering.

  • What happens if I miss a dose for several days? Resume the regular schedule after the missed period, starting at the previously prescribed dose. Do not double-dose to “catch up,” as this can increase the risk of hypotension.

Glossary

Angiotensin II Receptor Blocker (ARB)
A class of drugs that inhibit the binding of angiotensin II to the AT₁ receptor, leading to vasodilation and reduced aldosterone secretion.
Active Metabolite (EXP-3174)
A pharmacologically potent derivative formed from losartan in the liver; it contributes significantly to the drug’s blood-pressure-lowering effect.
Hyperkalaemia
An elevated serum potassium concentration, which can cause cardiac arrhythmias if not monitored.
Ejection Fraction
The percentage of blood the left ventricle pumps out with each contraction; reduced values indicate systolic heart-failure.
Proteinuria
The presence of excess protein in urine, signifying kidney damage often driven by hypertension or diabetes.

Disclaimer

The information provided about Cozaar is for general knowledge only. It does not replace professional medical consultation. All treatment decisions, including those regarding off-label use, should be made under the supervision of a qualified healthcare provider. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to Cozaar for individuals who may have limited availability through traditional pharmacies, prescription-based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication.

External Resources about Cozaar


Information Prepared By

Nawin Kittisak
Vikneswaran V Paranjothy