b-bloc 50mg tablet - Atenolol (50mg) medicine

b-bloc 50mg Tablet - Uses, Price, Side Effects

4.5 (17 reviews)

Atenolol (50mg)

🏭 Mandar Pharmaceuticals Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Aug 22, 2026

📋 Prescription Required 💊 Generic Available

Medically Reviewed

SaathiMed Expert Panel | Aug 22, 2026

What is b-bloc 50mg tablet used for?

b-bloc 50mg tablet contains Atenolol, a beta-blocker used to treat high blood pressure (hypertension) and angina (chest pain). It works by blocking the action of certain natural chemicals on the heart and blood vessels, reducing heart rate and blood pressure, thereby improving blood flow and decreasing cardiac workload.

Generic Name: Atenolol
Manufacturer: Mandar Pharmaceuticals Pvt Ltd
Form: Allopathy
Pregnancy Category: D
Prescription Required: Yes

💡 Did You Know? Over 80% of the antiretroviral drugs used globally to combat AIDS are supplied by Indian pharmaceutical companies.

💊 b-bloc 50mg tablet Uses & Benefits

Hypertension, angina pectoris, acute myocardial infarction, arrhythmias, migraine prophylaxis.

Off-label uses: Anxiety, essential tremor, thyrotoxicosis, portal hypertension.

📋 Drug Information

Generic Name(s)	Atenolol
Brand Name	Aten 50
Manufacturer	Mandar Pharmaceuticals Pvt Ltd
Packaging / Form	Varies by brand (Allopathy)
Therapeutic Class	CARDIAC
Action Class	Beta blocker- Cardioselective
Route of Administration	Oral
Storage	Store at 20-25°C (68-77°F); protect from light and moisture.
Shelf Life	As per manufacturer

🔬 Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionRapidly absorbed from the gastrointestinal tract; oral bioavailability is about 50%.

DistributionWidely distributed; low penetration into CNS due to low lipid solubility.

Protein Binding6-16%

MetabolismMinimal hepatic metabolism; primarily excreted unchanged by kidneys.

Half-Life6-7 hours

ExcretionRenal excretion (85-100% unchanged); fecal excretion minimal.

Bioavailability50%

Onset of Action1 hour

Peak Plasma Time2-4 hours

Duration of Action24 hours

How It Works

Selective beta-1 adrenergic receptor antagonist; reduces heart rate, myocardial contractility, and blood pressure.

Mechanism Steps

1Binds selectively to beta-1 adrenergic receptors in the heart and kidneys.

2Competitively antagonizes the effects of catecholamines (epinephrine, norepinephrine).

3Decreases heart rate (negative chronotropy) and contractility (negative inotropy).

💡 How to Take b-bloc 50mg tablet

Follow your doctor's prescription exactly.

Dosage Timeline

🌅 Morning ✅ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

⚠️ Side Effects of b-bloc 50mg tablet

✅ Common Side Effects

Fatigue
Dizziness
Cold extremities
Bradycardia
Hypotension
Nausea
Diarrhea

🚨 Serious Side Effects

Heart failure
Heart block
Bronchospasm
Severe bradycardia
Hypoglycemia unawareness

⚠️ Rare Side Effects

Thrombocytopenia
Alopecia
Psoriasis exacerbation
Lupus-like syndrome
Oculomucocutaneous syndrome

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

⚠️ Drug	Severity	Effect
Insulin	Moderate	May mask hypoglycemia symptoms
Clonidine	Major	Increased risk of bradycardia and rebound hypertension
Verapamil	Major	Increased risk of bradycardia and heart block

🚨 Major Interactions

Verapamil
Diltiazem
Clonidine
Digoxin
Insulin

⚡ Moderate Interactions

NSAIDs
Calcium channel blockers
Epinephrine
Prazosin

ℹ️ Minor Interactions

Antacids
Cimetidine
Rifampin

🍽️ Food Interactions

Food may decrease rate of absorption; avoid high-fat meals.

🍷 Alcohol Interaction

May enhance hypotensive effect; avoid excessive alcohol.

🛡️ Safety & Warnings

Liver

Low

Kidney

Moderate

Heart

Low

Pregnancy

Category D

🚫 Contraindications

Sinus bradycardia, heart block greater than first degree, cardiogenic shock, decompensated heart failure, sick sinus syndrome, severe peripheral arterial disease, hypersensitivity.

📊 Monitoring Parameters

Heart rate, blood pressure, ECG, renal function, blood glucose in diabetics.

🤱 Lactation Safety

Excreted in breast milk; use with caution, monitor infant for bradycardia.

💊 Overdose Management

Supportive care; atropine for bradycardia, glucagon for myocardial depression, vasopressors for hypotension.

⏰ Missed Dose

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

👨‍⚕️ Reviewed by Expert

SaathiMed Expert Panel

MD, PhD - Pharmacology

Last reviewed on: Aug 22, 2026

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🔄 Substitutes for b-bloc 50mg tablet

View All

Alternative brands with exact same active ingredient (Atenolol (50mg)):

Medical Note: Always consult your doctor before switching medications.

⭐ User Reviews

Trusted Reviewer Jul 10, 2026

This medicine was effective for me. I followed the doctor's advice.

Verified User Jul 10, 2026