Inderal 40mg Tablet

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Manufacturer AstraZeneca
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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

Inderal 40mg Tablet is a prescription-only medicine (POM) that contains Propranolol hydrochloride 40mg. It is supplied as a tablet and is dispensed in Malaysia only against a valid prescription issued by a registered doctor.

Under Malaysian rules for prescription medicines, this page carries product, safety and handling information only. Your doctor or pharmacist will explain whether this medicine is suitable for you, the dose you should take, and how long you should take it.

On DoctorOnCall, Inderal 40mg Tablet is reviewed by a licensed doctor through an online consultation and dispensed by a registered pharmacist before delivery. Always follow the instructions on your prescription label and the package insert supplied with the product, and do not share this medicine with anyone else.

Directions for Use

Take Inderal 40mg Tablet as directed by your doctor, generally with or without food but at consistent timing relative to meals if advised. Swallow the tablet whole with a glass of water. If prescribed for an ongoing condition such as hypertension or migraine prevention, continue taking it regularly even if you feel well, and never stop suddenly without medical advice, as abrupt withdrawal can worsen heart-related symptoms.

Dosage

The dose of Inderal 40mg Tablet depends on the condition being treated – for blood pressure and migraine prevention, your doctor may start at a lower dose and adjust gradually, while for situational anxiety symptoms a single dose may be taken before the triggering event as specifically directed. Your doctor will individualise your dose and should be consulted before any change, as this medicine should not be stopped abruptly.

Storage Instructions

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

Side Effects

  • Tiredness or fatigue
  • Cold hands and feet
  • Dizziness or lightheadedness
  • Nausea or stomach upset
  • Sleep disturbances or vivid dreams
  • Slow heart rate
  • Shortness of breath (especially in people with asthma)

Contraindications

  • Known hypersensitivity to propranolol or any ingredient in this product
  • Asthma or a history of significant bronchospasm (this non-selective beta-blocker can trigger airway narrowing)
  • Severe bradycardia, second- or third-degree heart block without a pacemaker, or sick sinus syndrome
  • Cardiogenic shock or uncontrolled heart failure
  • Severe untreated low blood pressure

Drug / Food Interactions

  • Verapamil or diltiazem (certain calcium channel blockers) taken together with propranolol can cause dangerously slow heart rate or heart block
  • Insulin and sulfonylurea diabetes medicines – propranolol can mask the warning symptoms of low blood sugar, such as a racing heart, making hypoglycaemia harder to detect
  • NSAIDs (e.g. ibuprofen) may reduce the blood-pressure-lowering effect of propranolol
  • Clonidine – stopping clonidine while taking a beta-blocker like propranolol can cause a dangerous rebound rise in blood pressure; any withdrawal must be supervised by your doctor

Quick Tips

  • Take this medicine consistently and never stop it suddenly without your doctor’s advice
  • Tell your doctor if you have asthma, wheezing, or breathing difficulties before starting this medicine
  • If you have diabetes, monitor your blood sugar closely, as this medicine can mask signs of hypoglycaemia
  • Rise slowly from sitting or lying down to reduce dizziness
  • If taken before a specific anxiety-provoking event, follow your doctor’s exact timing instructions
  • Report a very slow pulse, fainting, or breathing difficulty to your doctor promptly

Ingredients / Active Ingredients

  • Propranolol hydrochloride 40mg

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

Generally Safe

This medicine is generally safe and should not impair your driving ability.

Frequently Asked Questions

Product Specifications

BrandAstraZeneca
ManufacturerAstraZeneca
ClassificationPrescription medicine
Ingredients / Active IngredientsPropranolol
Pack Size100s, 10s
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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