Product introduction
Inderal LA 40 Tablet SR is a sustained-release beta-blocker used for high blood pressure, angina, certain irregular heart rhythms and the prevention of migraine. It can also help control the physical symptoms of anxiety. Take it exactly as your doctor prescribes, with or without food, and keep taking it even when you feel well. Do not stop it suddenly, as this can make your condition worse.
Storage: Store below 30°C, in a cool and dry place away from direct sunlight.
Uses of Inderal LA 40 Tablet SR
- Prevention of angina (heart-related chest pain)
- Prevention of migraine
- High blood pressure (hypertension)
- Irregular heartbeat (arrhythmia)
- Anxiety and its physical symptoms
- Tremors
Benefits of Inderal LA 40 Tablet SR
By slowing the heart rate and relaxing blood vessels, Inderal LA 40 Tablet SR allows blood to flow more easily around the body. This lowers blood pressure, reduces the heart's workload and helps prevent angina episodes. It improves blood flow in the brain to make migraines less frequent and can calm anxiety-related symptoms such as a pounding heart and trembling.
Side effects of Inderal LA 40 Tablet SR
Most side effects do not require medical attention and go away as your body adjusts. Consult your doctor if they persist.
- Tiredness
- Weakness
- Cold hands and feet
- Headache
- Dizziness
- Nausea
- Vomiting
- Diarrhoea
- Abdominal pain
- Decreased appetite
How to use Inderal LA 40 Tablet SR
Take this medicine in the dose and for the duration advised by your doctor. Swallow the tablet whole with water; do not chew, crush or break it. It can be taken with or without food, ideally at the same time each day, and avoid taking it with very high-fat meals.
How Inderal LA 40 Tablet SR works
Propranolol is a non-selective beta-blocker that blocks the action of stress hormones like adrenaline on the heart and blood vessels. This slows the heart rate, reduces the strength of each heartbeat and helps vessels relax, lowering blood pressure and easing the heart's workload. These effects help prevent angina and reduce the frequency of migraine attacks.
Substitutes for Inderal LA 40 Tablet SR
No other medicine with the same composition is listed in our catalogue yet. Message us on WhatsApp and our pharmacist will help you find a suitable alternative.
Safety advice
Alcohol should be used with caution with Inderal LA 40 Tablet SR, as together they may lower blood pressure and increase dizziness. Check with your doctor.
The safety of this medicine during pregnancy is not fully established. Your doctor will weigh the benefits against the possible risks before prescribing it.
This medicine should be used with caution while breastfeeding. Follow your doctor's advice, who may monitor the baby during treatment.
It may cause dizziness, tiredness or blurred vision that reduces alertness. Do not drive or use machinery if you notice these effects.
It is generally safe for people with kidney disease, and no dose adjustment is usually needed. Follow your doctor's guidance.
Use with caution if you have liver problems. Your doctor may need to adjust the dose.
Quick tips
- Take it at the same time each day, with or without food, for consistent effect.
- Never stop the medicine abruptly, as this can worsen chest pain or trigger heart problems; the dose should be tapered under medical guidance.
- It can hide the warning signs of low blood sugar, so people with diabetes should check their sugar levels regularly.
- Inform your doctor if you have asthma or any breathing condition before using it.
- Alongside the medicine, cut back on salt, manage stress, sleep well, avoid smoking and alcohol, and exercise regularly.
Fact box
| Chemical class | Naphthalene derivative |
|---|---|
| Habit forming | No |
| Therapeutic class | CARDIAC |
| Action class | Non-Selective Beta-Blockers (NSBBs) |
Frequently asked questions
Is Inderal LA 40 Tablet SR safe for people with asthma?
It is usually avoided in people with asthma because it can narrow the airways and cause breathing difficulty. Tell your doctor about any breathing problems before starting it.
Should I stop the medicine once my chest pain is controlled?
No. Stopping suddenly can worsen angina and may lead to serious heart problems. If it needs to be stopped, your doctor will reduce the dose step by step.
Can it help with anxiety?
Yes, it can relieve the physical symptoms of anxiety such as a fast heartbeat, trembling and restlessness, though it does not treat the underlying anxious thoughts.
What lifestyle changes support this treatment?
Reducing salt intake, managing stress, practising relaxation such as yoga, getting enough sleep, avoiding smoking and alcohol, exercising regularly and eating a balanced diet all help.
Why must the tablet be swallowed whole?
It is a sustained-release formulation that releases the drug slowly. Chewing or crushing it would release the entire dose at once, which could increase side effects.