Tenormin
Developed to target heart workload and indicated to relieve hypertension symptoms.
- Category
- Heart & Blood Pressure
- Active ingredient
- Atenolol
- Supply
- Pharmacy
- Route
- Oral use
- Form
- Film-coated tablet
- Strengths
- 25 · 50 · 100mg
Tenormin details
- Conditions
- Hypertension · Angina Pectoris · Arrhythmia
- 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
- Manufacturer
- 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.
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. Produced by AstraZeneca, 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.