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Tenormin

Atenolol

Developed to target heart workload and indicated to relieve hypertension symptoms.

Active ingredient
Atenolol
Route
Oral use
Form
Film-coated tablet
Strengths
25 · 50 · 100mg

You will receive a quality generic equivalent, depending on stock.

Prescription rules on Tenormin vary by country.

Tenormin details

Therapeutic class
Beta Blocker
Pharmacological class
Beta-1 Selective Adrenoceptor Antagonist
Contraindications
severe bradycardia; cardiogenic shock
Precautions and warnings
abrupt withdrawal may exacerbate angina; use with care in asthma
Minor side effects
cold extremities; fatigue; nausea
Moderate side effects
bradycardia; sleep disturbances
Serious side effects
heart block, requires immediate medical attention
Dosage forms
Film-coated tablet
Administration route
Oral use
Supply category
Pharmacist only, dispensed without a prescription
Originator
AstraZeneca
Onset Time
1–2 hours
Duration
24 hours
Storage instructions
Store below 25°C.
Drug interactions
verapamil
Pregnancy and breastfeeding
Consult your doctor regarding use.
Patient summary

Developed to target heart workload and indicated to relieve hypertension symptoms.

Mechanism of action

Selective beta-1 receptor antagonist. It blocks adrenaline effects specifically on the heart, reducing heart rate and contractility, which helps lower blood pressure and oxygen demand.

What you will receive

Tenormin is the originator brand name, made by AstraZeneca. We use it here to identify the medicine only; we are not affiliated with AstraZeneca and do not ship the original Tenormin.

  • You receive a generic equivalent: the same active ingredient (Atenolol) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
  • The exact brand supplied depends on what is in stock at the dispatching warehouse.
  • A regulated generic matches the original ingredient for ingredient by legal standard.

Are all generics really the same? Read the honest answer.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Tenormin

Tenormin is a well-established medication containing atenolol, widely used to manage hypertension, angina pectoris and arrhythmia. This beta-blocker is supplied as a tablet in strengths of 25, 50 and 100mg. Patients often rely on this treatment for consistent cardiovascular support.

Buying Tenormin online

Tenormin is registered across 14 markets including the UAE, Singapore and Hong Kong, with availability also in Thailand, Malaysia and the Philippines. Ordering online provides a reliable option for expats and locals across Asia who need consistent access to their maintenance medication. Generic atenolol, much of which is manufactured in India, often serves as a more affordable alternative to the original brand, making cardiovascular care more accessible regardless of location.