Tenormin

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

Strengths: 25 · 50 · 100mg

Medicine 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

Prescription status

POM

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.

Tenormin

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

Editorial Notes

  • Active ingredient(s): Atenolol
  • Listed indication(s): Hypertension, Angina Pectoris, Arrhythmia

Usually available as

  • 350 tablets - 25 mg56-25-mg-4280
  • 350 tablets - 50 mg56-50-mg-4287
  • 350 tablets - 100 mg56-100-mg-4293