besartan 40mg tablet - Telmisartan (40mg) medicine

Besartan 40mg Tablet - Uses, Price, Side Effects

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๐Ÿญ Betamax Remedies ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 27, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 27, 2026

What is besartan 40mg tablet used for?

Besartan 40mg Tablet contains Telmisartan, an angiotensin receptor blocker (ARB) used to treat high blood pressure and reduce the risk of cardiovascular events. It works by relaxing blood vessels, allowing blood to flow more easily, thereby lowering blood pressure and improving heart function.

  • Generic Name: Telmisartan
  • Manufacturer: Betamax Remedies
  • Form: Allopathy
  • Pregnancy Category: A
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? Over 80% of the antiretroviral drugs used globally to combat AIDS are supplied by Indian pharmaceutical companies.

๐Ÿ’Š besartan 40mg tablet Uses & Benefits

Hypertension; cardiovascular risk reduction in patients unable to take ACE inhibitors; diabetic nephropathy.

Off-label uses: Heart failure; migraine prophylaxis; Marfan syndrome (aortic root dilation).

๐Ÿ“‹ Drug Information

Generic Name(s)Telmisartan
Brand NameArbitel 20 Tablet
ManufacturerBetamax Remedies
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassCARDIAC
Action ClassAngiotensin receptor blockers(ARB)
Route of AdministrationOral.
StorageStore at room temperature (20-25ยฐC); protect from moisture and light.
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionRapidly absorbed after oral administration; absolute bioavailability is about 42-58%.
DistributionExtensively distributed; volume of distribution is approximately 500 L.
Protein BindingHighly protein-bound (>99.5%), mainly to albumin and alpha-1-acid glycoprotein.
MetabolismMetabolized by conjugation to glucuronide; no significant CYP450 metabolism.
Half-LifeApproximately 24 hours.
ExcretionPrimarily excreted in feces (97%) via biliary elimination; minimal renal excretion.
Bioavailability42-58% (absolute).
Onset of ActionWithin 1-2 hours.
Peak Plasma Time0.5-1 hour after oral administration.
Duration of ActionUp to 24 hours.

How It Works

Selective angiotensin II receptor blocker (ARB) that blocks the binding of angiotensin II to AT1 receptor, leading to vasodilation and reduced aldosterone secretion.

Mechanism Steps

1Telmisartan binds selectively to angiotensin II type 1 (AT1) receptors on vascular smooth muscle and adrenal gland.
2Blocks the binding of angiotensin II, preventing vasoconstriction and aldosterone secretion.
3Leads to vasodilation, reduced peripheral resistance, and decreased blood pressure.

๐Ÿ’ก How to Take besartan 40mg tablet

Follow your doctor's prescription exactly.

Dosage Timeline

๐ŸŒ… Morning โœ… โ˜€๏ธ Afternoon โŒ ๐ŸŒ† Evening โœ… ๐ŸŒ™ Night โŒ

โš ๏ธ Side Effects of besartan 40mg tablet

โœ… Common Side Effects

  • Dizziness
  • Headache
  • Fatigue
  • Diarrhea
  • Upper respiratory tract infection
  • Back pain

๐Ÿšจ Serious Side Effects

  • Angioedema
  • Hyperkalemia
  • Renal impairment
  • Hypotension
  • Syncope

โš ๏ธ Rare Side Effects

  • Hepatitis
  • Thrombocytopenia
  • Rhabdomyolysis
  • Anaphylaxis

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Lithium Moderate Increased lithium levels and toxicity risk
NSAIDs Moderate Reduced antihypertensive effect and increased renal impairment risk
Potassium-sparing diuretics Major Increased risk of hyperkalemia

๐Ÿšจ Major Interactions

  • Aliskiren
  • ACE inhibitors
  • Potassium-sparing diuretics
  • Potassium supplements
  • Lithium

โšก Moderate Interactions

  • NSAIDs
  • Diuretics
  • Antihypertensives
  • Digoxin

โ„น๏ธ Minor Interactions

  • Warfarin
  • Hydrochlorothiazide

๐Ÿฝ๏ธ Food Interactions

Food slightly reduces absorption; take consistently with or without food.

๐Ÿท Alcohol Interaction

May enhance hypotensive effects; avoid excessive alcohol.

๐Ÿ›ก๏ธ Safety & Warnings

Liver
Low
Kidney
Low
Heart
Low
Pregnancy
Category A

๐Ÿšซ Contraindications

Hypersensitivity to telmisartan; pregnancy; severe hepatic impairment; concomitant use with aliskiren in patients with diabetes or renal impairment (eGFR <60 mL/min).

๐Ÿ“Š Monitoring Parameters

Blood pressure; renal function (serum creatinine, BUN); serum potassium; liver function tests periodically.

๐Ÿคฑ Lactation Safety

Not recommended; excreted in breast milk in animal studies, unknown in humans.

๐Ÿ’Š Overdose Management

Symptomatic and supportive treatment; monitor blood pressure and heart rate; consider gastric lavage if recent ingestion; activated charcoal may reduce absorption.

โฐ Missed Dose

Take as soon as remembered unless near next dose; do not double dose.

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 27, 2026

๐Ÿ”— View Profile

๐Ÿ”„ Substitutes for besartan 40mg tablet

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Alternative brands with exact same active ingredient (Telmisartan (40mg)):

Medical Note: Always consult your doctor before switching medications.

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