Description

Losartan is an oral angiotensin II receptor blocker (ARB). It’s prescribed to manage hypertension, lower the risk of stroke in certain heart disease patients, and protect kidney function in people with type 2 diabetes. 

2. Prescription

Prescription-only (Rx) medication. 

3. Therapeutic Category

Belongs to the antihypertensive class—specifically ARBs. 

4. Active Ingredients / Composition

• Losartan Potassium: available in 50 mg or 100 mg film-coated tablet forms. 

5. Vitamins

None.

6. Minerals

None (losartan is not a mineral-based medication).

7. Variant

Two strengths typically used:

• 50 mg tablet
• 100 mg tablet
  Variants may differ slightly depending on manufacturer. 

8. Consume Type

Oral tablet, taken by mouth. 

9. Directions / Usage

• Standard initial dose: 50 mg once daily.
• If needed, may increase to 100 mg once daily, based on response and physician’s direction.
• Can be used monotherapy or in combination with other antihypertensive agents.
• Tablets should be taken with or without food, ideally at the same time daily.

10. Common Side Effects

May include:

• Dizziness, headache, fatigue
• Back pain, nasal congestion
• Hyperkalemia (high potassium), changes in kidney function
• Rare but serious: angioedema, hypotension, kidney impairment
  Other possible effects: cough, anemia, gastrointestinal disturbances 

11. Package Type

Typically supplied in blister packs, often containing 10, 28, or 30 tablets. 

12. Storage Advice

• Store in original packaging to protect from moisture and light.
• Keep in a cool, dry place, below approx. 25–30 °C.
• Keep out of reach of children. 

13. Safety Advice

• Regular monitoring recommended for blood pressure, kidney function, and potassium levels.
• Avoid potassium supplements or potassium salt substitutes unless under advice.
• Not recommended during pregnancy or breastfeeding due to fetal toxicity risk.
• Use with caution in patients with kidney or liver impairment.
• May cause dizziness—avoid driving or heavy machinery until effects are known. 
• Interactions: avoid with aliskiren in diabetics, NSAIDs, lithium, etc.

14. Product Substitute

Equivalent products include:

• Cozaar (original brand name)
• Other generics from manufacturers such as Actavis, Teva, Accord, Macleods, etc. 

15. Manufacturer / Marketer

S‑Tarnet’s specific manufacturer isn’t confirmed in accessible sources. However, similar losartan products are made by companies like Vega Pharmaceuticals (UK) or Actavis .

16. Country of Origin

Unclear for “S‑Tarnet.” Generic losartan products are commonly produced in countries like UK, India, Israel, etc., depending on manufacturer.