Prescription requiredAntihypertensive

Betacap 20 Tablet — Side Effects & Warnings

Known side effects of Betacap 20 Tablet include Fatigue, dizziness, slow heart rate (bradycardia), low blood pressure, cold hands/feet, nausea, diarrhoea, sleep disturbances, vivid dreams. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

Common Side Effects

Fatigue
dizziness
slow heart rate (bradycardia)
low blood pressure
cold hands/feet
nausea
diarrhoea
sleep disturbances
vivid dreams

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Do not use in asthma/COPD with bronchospasm, severe bradycardia, heart block, cardiogenic shock or uncontrolled heart failure unless advised by a specialist. May mask symptoms of hypoglycaemia in diabetics; monitor blood sugar. Use caution in peripheral vascular disease, depression, thyroid disorders and in those prone to bronchospasm. Do not stop abruptly as it may worsen angina or precipitate arrhythmias. Inform doctor before surgery/anaesthesia.

Drug Interactions

Betacap 20 Tablet may interact with the following:

Calcium channel blockers (verapamil
diltiazem)
antiarrhythmics (amiodarone)
digoxin
clonidine (rebound hypertension on withdrawal)
other antihypertensives
insulin/oral antidiabetics (masks hypoglycaemia)
NSAIDs (may reduce antihypertensive effect)
bronchodilators (opposing effects)
antidepressants like fluoxetine/paroxetine (may increase levels)
cimetidine (increases levels)
rifampicin (decreases levels)

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution

Alcohol Interaction

Use with caution

Habit Forming

Storage

Store below 25°C in a cool, dry place away from moisture and direct light. Keep out of reach of children.

Betacap 20 Tablet — Safety Summary

Composition: Propranolol (20mg)
Prescription: Required (Rx)
Pregnancy: Use with caution
Alcohol: Use with caution
Habit forming: No

Betacap 20 Tablet — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

Get help from a doctor

Consult a doctor

Discuss side effects with a qualified doctor online.

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Full product details for Betacap 20 Tablet.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

Betacap 20 Tablet — Side Effects & Warnings

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026