Losartan Potassium and Hydrochlorothiazide Tablets (Hyzaar) is a combined antihypertensive drug manufactured by Merck & Co., Inc. It is mainly used for the treatment of hypertension and reducing the risk of stroke in patients with hypertension complicated by left ventricular hypertrophy.
How to Purchase Losartan Potassium and Hydrochlorothiazide Tablets (Hyzaar)
Overseas Purchase
Patients may choose to consult and purchase the drug at hospital pharmacies or legitimate drugstores in countries or regions where Losartan Potassium and Hydrochlorothiazide Tablets have been launched.
Purchase Through Medical Service Institutions
Patients may consult domestic overseas medical service institutions that cooperate with international pharmacies or pharmaceutical companies.
These institutions can usually provide legal import channels and offer professional consultation and guidance.
Precautions for Purchasing Losartan Potassium and Hydrochlorothiazide Tablets (Hyzaar)
Strictly Follow the Doctor’s Prescribed Dosage
There are three specifications of Losartan Potassium and Hydrochlorothiazide Tablets available for purchase: 50mg/12.5mg, 100mg/12.5mg, and 100mg/25mg (content of losartan potassium/hydrochlorothiazide).
The doctor will determine the initial dose based on the patient’s previous monotherapy history.
When purchasing, the required specification must be confirmed; the dose combination cannot be adjusted without authorization.
Contraindications for Special Populations
Before purchasing, patients must inform the doctor of their physical condition.
Hyzaar is contraindicated or should be used with caution in the following situations:
Pregnant women: Absolutely contraindicated, as it may cause fetal injury or even death.
Patients allergic to any component of the drug: Contraindicated.
Patients with anuria: Contraindicated.
Diabetic patients: Concomitant use with aliskiren is prohibited.
Patients with severe hepatic impairment: Not recommended for initial treatment.
Be Aware of Potential Drug Interactions
Drugs that increase serum potassium levels (may cause hyperkalemia).
Lithium preparations (may increase the risk of lithium toxicity).
Nonsteroidal anti-inflammatory drugs (NSAIDs) (may reduce the antihypertensive effect and affect renal function).
Antidiabetic drugs (dose adjustment may be required).
Cholestyramine and colestipol (may affect the absorption of hydrochlorothiazide).
How to Identify the Authenticity of Losartan Potassium and Hydrochlorothiazide Tablets (Hyzaar)
Outer Packaging Identification
The packaging box is made of high-quality material, with clear printing and bright colors.
Complete drug information is indicated, including ingredients, specifications, indications, dosage and administration, etc.
A clear batch number and expiration date are provided.
Tablet Feature Identification
50mg/12.5mg: Yellow oval film-coated tablets, imprinted with "717" on one side.
100mg/12.5mg: White oval film-coated tablets, imprinted with "745" on one side.
100mg/25mg: Light yellow oval film-coated tablets, imprinted with "747" on one side.
Anti-Counterfeiting Mark Verification
Scan the drug traceability code on the packaging to check the circulation information.
Call the manufacturer’s anti-counterfeiting hotline to verify authenticity.
Use the official APP to scan the anti-counterfeiting mark on the drug packaging for verification.


