Legalon Capsule Side Effects in Pakistan

A complete guide to the side effects of Legalon Capsule. From common gastrointestinal effects to rare serious allergic reactions — everything you need to know is on this page.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated: 2026-07-09

Side Effects

Quick Answer

Common side effects of Legalon Capsule include mild gastrointestinal upset and loose stools. Serious effects such as severe allergic reaction require immediate medical attention. Most patients tolerate Legalon Capsule well at the correct dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

Mild gastrointestinal upset
Loose stools or diarrhoea
Nausea

Serious — See a Doctor

Allergic reaction (rash, itching, swelling) in Asteraceae-sensitive patients
Severe gastrointestinal disturbance
Rare: anaphylaxis in highly sensitised individuals

When to See a Doctor Immediately

Skin rash, severe itching, or swelling after taking Legalon Capsule — possible allergic reaction
Severe stomach pain or persistent diarrhoea
Difficulty breathing or swallowing — rare anaphylactic reaction

Legalon Capsule Side Effects (Nuksanat)

Legalon Capsule (silymarin 140mg) is generally well tolerated when taken at the correct dose. However, like all medicines, it can cause side effects in some patients.

Common Side Effects (Aam Nuksanat)

Mild gastrointestinal upset
Loose stools or diarrhoea
Nausea

These side effects are usually mild. Taking Legalon Capsule with food significantly reduces gastrointestinal side effects. If they continue, inform your doctor.

Serious Side Effects (Sanjeedah Nuksanat)

Allergic reaction (rash, itching, swelling) in Asteraceae-sensitive patients — see a doctor immediately
Severe gastrointestinal disturbance — see a doctor immediately
Rare: anaphylaxis in highly sensitised individuals — seek emergency care

When to See a Doctor (Kab Doctor Se Milna Zaroori Hai)

Skin rash, severe itching, or swelling after taking Legalon Capsule — possible allergic reaction
Severe stomach pain or persistent diarrhoea
Difficulty breathing or swallowing — possible anaphylaxis; seek emergency care

Warnings and Precautions (Ihtiyat)

Do not use Legalon Capsule if you are allergic to silymarin or any Asteraceae plant
Take with food to reduce gastrointestinal side effects

Side Effects Summary Table

Type	Side Effect	Action
Common	Mild gastrointestinal upset	Monitor / inform doctor
Common	Loose stools or diarrhoea	Monitor / inform doctor
Common	Nausea	Monitor / inform doctor
Serious	Allergic reaction	See a doctor immediately
Serious	Anaphylaxis (rare)	Seek emergency care

Reporting Side Effects

If you notice any unexpected side effect, report it on the DRAP pharmacovigilance portal: https://www.dra.gov.pk/pharmacovigilance

The information in this guide is for educational purposes only. If you notice any side effect, contact your doctor or pharmacist.

Frequently Asked Questions

What are the most common side effects of Legalon Capsule?

The most commonly reported side effects of Legalon Capsule include mild gastrointestinal upset and loose stools. These are usually mild and go away on their own. Taking it with food reduces stomach-related side effects. Inform your doctor if they persist.

Can Legalon Capsule cause allergic reactions?

Yes, like all medicines, Legalon Capsule can cause allergic reactions in some people — particularly those allergic to Asteraceae plants. Signs include rash, itching, swelling, or difficulty breathing. Stop use and seek medical help immediately if this happens.

Is Legalon Capsule safe to take for a long time?

Long-term safety depends on the condition and the patient. Your doctor will monitor liver function and any signs of intolerance if continued use is needed over months.

What should I do if I experience side effects from Legalon Capsule?

For mild side effects such as gastrointestinal upset, inform your pharmacist and try taking the capsule with food. For serious effects such as allergic reaction, stop the medicine and contact your doctor immediately or go to the nearest hospital.

Does Legalon Capsule affect the liver or kidneys?

Legalon Capsule is a hepatoprotective agent intended to support liver function. It is not expected to harm the kidneys at standard doses. Your doctor may periodically check liver function during treatment.

Sources

DRAP Registered Products Database — Drug Regulatory Authority of Pakistan
WHO Model List of Essential Medicines, 23rd ed. (2023) — World Health Organization
British National Formulary (BNF) — BMJ Group & Pharmaceutical Press

Medical disclaimer

This page is for educational use only and does not replace professional medical advice. Always confirm diagnosis, dose, and interactions with a qualified doctor or pharmacist before starting or changing any medicine.