a2b h 40 mg/12.5 mg tablet - Telmisartan (40mg) + Hydrochlorothiazide (12.5mg) medicine

a2b h 40 mg/12.5 mg tablet - Uses, Price, Side Effects & Substitutes

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๐Ÿญ Fidelity Lifesciences Pvt Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 23, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 23, 2026

What is a2b h 40 mg/12.5 mg tablet used for?

Arbitel-H Tablet (Telmisartan + Hydrochlorothiazide) is used to treat CARDIAC. It contains Telmisartan (40mg) + Hydrochlorothiazide (12.5mg), which Telmisartan blocks angiotensin II AT1 receptors; Hydrochlorothiazide inhibits so. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Telmisartan + Hydrochlorothiazide
  • Manufacturer: Fidelity Lifesciences Pvt Ltd
  • 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 a2b h 40 mg/12.5 mg tablet Uses & Benefits

Hypertension (first-line or add-on therapy)

Off-label uses: Heart failure, diabetic nephropathy (limited evidence)

๐Ÿ“‹ Drug Information

Generic Name(s)Telmisartan + Hydrochlorothiazide
Brand NameArbitel-H Tablet
ManufacturerFidelity Lifesciences Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassCARDIAC
Action ClassAngiotensin II Receptor Blocker + Thiazide Diuretic
Route of AdministrationOral
StorageStore at 20-25ยฐC (68-77ยฐF), protect from light and moisture
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionTelmisartan: Rapidly absorbed; Hydrochlorothiazide: Well absorbed orally
DistributionTelmisartan: High tissue distribution; Hydrochlorothiazide: Distributed into erythrocytes
Protein BindingTelmisartan: >99.5%; Hydrochlorothiazide: 40-68%
MetabolismTelmisartan: Glucuronidation; Hydrochlorothiazide: Not metabolized
Half-LifeTelmisartan: ~24 hours; Hydrochlorothiazide: 6-15 hours
ExcretionTelmisartan: Feces (97%); Hydrochlorothiazide: Urine (70%)
BioavailabilityTelmisartan: 42-58%; Hydrochlorothiazide: 65-75%
Onset of ActionTelmisartan: 0.5-1 hour; Hydrochlorothiazide: 2 hours
Peak Plasma TimeTelmisartan: 0.5-1 hour; Hydrochlorothiazide: 1-5 hours
Duration of ActionTelmisartan: 24 hours; Hydrochlorothiazide: 6-12 hours

How It Works

Telmisartan blocks angiotensin II AT1 receptors; Hydrochlorothiazide inhibits sodium reabsorption in distal tubules

Mechanism Steps

1Telmisartan selectively blocks AT1 receptors, preventing angiotensin II-mediated vasoconstriction and aldosterone release
2Reduces peripheral vascular resistance and blood pressure
3Hydrochlorothiazide inhibits Na-Cl cotransporter in distal convoluted tubule

๐Ÿ’ก How to Take a2b h 40 mg/12.5 mg tablet

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of a2b h 40 mg/12.5 mg tablet

โœ… Common Side Effects

  • Dizziness
  • Headache
  • Fatigue
  • Hypokalemia
  • Hyperuricemia
  • Increased creatinine

๐Ÿšจ Serious Side Effects

  • Angioedema
  • Acute renal failure
  • Severe hypotension
  • Hyperkalemia
  • Stevens-Johnson syndrome

โš ๏ธ Rare Side Effects

  • Pancreatitis
  • Hepatic dysfunction
  • Photosensitivity
  • Blood dyscrasias

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Lithium Major Increased lithium toxicity risk
ACE inhibitors Major Increased risk of hypotension and renal impairment
Aliskiren Major Increased risk of hyperkalemia and hypotension
NSAIDs Major Reduced antihypertensive effect and increased renal risk
Potassium-sparing diuretics Major Hyperkalemia risk
Digoxin Moderate Hypokalemia may increase digoxin toxicity
Warfarin Moderate No significant interaction, but monitor INR
Antidiabetic agents Moderate Hydrochlorothiazide may increase blood glucose
Corticosteroids Moderate Increased hypokalemia risk
Cholestyramine Minor Reduced absorption of hydrochlorothiazide
Colestipol Minor Reduced absorption of hydrochlorothiazide
Barbiturates Minor Increased orthostatic hypotension risk

๐Ÿšจ Major Interactions

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

โšก Moderate Interactions

  • Digoxin
  • Warfarin
  • Antidiabetic agents
  • Corticosteroids

โ„น๏ธ Minor Interactions

  • Cholestyramine
  • Colestipol
  • Barbiturates

๐Ÿฝ๏ธ Food Interactions

Avoid potassium-rich foods; take with or without food

๐Ÿท Alcohol Interaction

May potentiate orthostatic hypotension

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Anuria, hypersensitivity, pregnancy (2nd/3rd trimester), severe hepatic impairment, refractory hypokalemia

๐Ÿ“Š Monitoring Parameters

Blood pressure, serum electrolytes (K+, Na+), renal function, blood glucose, uric acid

๐Ÿคฑ Lactation Safety

Not recommended; excreted in breast milk

๐Ÿ’Š Overdose Management

Symptomatic and supportive; monitor electrolytes, renal function; consider gastric lavage

โฐ Missed Dose

Take as soon as remembered; skip if near next dose; do not double dose

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 23, 2026

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