Tenormin 50mg Tablet

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Manufacturer AstraZeneca
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  • FDA Approved
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Dr. Mohd Izzat Amir Bin Awang
Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester
Dr. Adeline Carol Peters
Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated:

Overview

Tenormin 50mg Tablet is a prescription-only medicine (POM) presented as a tablet, with Atenolol 50mg as its active ingredient content.

This page is limited to product, safety and handling information, in line with Malaysian rules on prescription medicine information for the public. Your prescriber or pharmacist is the right source for anything beyond that, together with the leaflet inside the pack.

Through DoctorOnCall, this product is supplied after an online consultation with a licensed doctor and a valid prescription, and it is checked by a registered pharmacist before dispensing. Take it exactly as prescribed, and speak to your doctor before stopping, changing the dose, or starting any other medicine alongside it.

Directions for Use

Take Tenormin 50mg Tablet at the same time each day, with or without food, to help maintain a steady effect. Do not stop taking this medicine suddenly, as abruptly stopping a beta-blocker can cause a rebound increase in heart rate and blood pressure, and may worsen angina; your doctor will advise how to reduce the dose gradually if treatment needs to be stopped.

Dosage

The usual adult dose for hypertension and angina is 50mg once daily, which may be increased to 100mg once daily if needed, based on your doctor’s assessment of your blood pressure and heart rate response. Your doctor will individualise the dose according to your condition, kidney function, and response to treatment.

Storage Instructions

Store below 30°C in a dry place, away from direct sunlight and out of reach of children.

Side Effects

  • Dizziness or lightheadedness
  • Tiredness or fatigue
  • Cold hands and feet
  • Slower heart rate
  • Nausea
  • Shortness of breath in some cases

Contraindications

  • Known hypersensitivity to atenolol or any component of this product
  • Severe bradycardia (very slow heart rate) or certain heart block conditions
  • Uncontrolled heart failure
  • Severe asthma or a history of severe bronchospasm
  • Untreated phaeochromocytoma

Drug / Food Interactions

  • Other blood pressure-lowering medicines may cause an additive drop in blood pressure
  • Calcium channel blockers such as verapamil or diltiazem may increase the risk of a very slow heart rate when combined with atenolol
  • NSAIDs (e.g. ibuprofen) may reduce the blood pressure-lowering effect of atenolol
  • Always inform your doctor or pharmacist of all medicines, supplements, and herbal products you are taking

Quick Tips

  • Do not stop this medicine suddenly without your doctor’s advice
  • Monitor your pulse and blood pressure regularly as advised by your doctor
  • Contact your doctor if your heart rate feels unusually slow or you feel faint
  • Avoid alcohol as it may enhance the blood pressure-lowering effect

Ingredients / Active Ingredients

  • Atenolol 50mg

Safety Advice

Pregnancy

Use With Care

This medicine should be used cautiously during pregnancy. Monitoring may be required.

Breastfeeding

Use With Care

Use with caution. Monitor infant for potential adverse reactions.

Kidney

Use With Care

Use cautiously. Dose adjustment or monitoring may be required.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Use With Care

Caution is advised when consuming alcohol with this medicine.

Driving

Use With Care

Use caution while driving until you know how this medicine affects you.

Frequently Asked Questions

Product Specifications

BrandAstraZeneca
ManufacturerAstraZeneca
ClassificationPrescription medicine
Ingredients / Active IngredientsAtenolol
Pack Size28s
Shelf LifeUse this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.

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