Cardnit Tablet Side Effects in Pakistan

Cardnit Tablet side effects — a complete guide. From common effects to serious warnings — 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: 2026-04-19

Side Effects

Quick Answer

Common side effects of Cardnit Tablet include headache and dizziness or light-headedness. Serious effects such as rapid heartbeat require immediate medical attention. Most patients tolerate Cardnit Tablet well at the correct dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

Headache
Dizziness or light-headedness
Flushing or redness of face

Serious — See a Doctor

Rapid heartbeat
Severe drop in blood pressure (fainting)
Breathing issue

When to See a Doctor Immediately

Severe stomach pain
Chest pain that does not go away after taking the medicine
Fainting or dizziness

Cardnit Tablet Side Effects (Nuksanat)

Cardnit Tablet (Glyceryl Trinitrate) is generally safe when taken at the correct dose. However, like all medicines, it can cause side effects in some patients.

Common Side Effects (Aam Nuksanat)

Headache
Dizziness or light-headedness
Flushing or redness of face

These side effects are usually mild. If they continue, inform your doctor.

Serious Side Effects (Sanjeedah Nuksanat)

Rapid heartbeat — see a doctor immediately
Severe drop in blood pressure (fainting) — see a doctor immediately
Breathing issue — see a doctor immediately

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

Severe stomach pain
Chest pain that does not go away after taking the medicine
Fainting or dizziness

Warnings and Precautions (Ihtiyat)

Don’t use Cardnit Tablet if you are allergic to glyceryl trinitrate or other nitrates
Avoid if you have very low blood pressure

Side Effects Summary Table

Type	Side Effect	Action
Common	Headache	Monitor / inform doctor
Common	Dizziness or light-headedness	Monitor / inform doctor
Common	Flushing or redness of face	Monitor / inform doctor
Serious	Rapid heartbeat	See a doctor immediately
Serious	Severe drop in blood pressure (fainting)	See a doctor immediately

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 Cardnit Tablet?

The most commonly reported side effects of Cardnit Tablet include headache and dizziness or light-headedness. These are usually mild and go away on their own. Inform your doctor if they persist.

Can Cardnit Tablet cause allergic reactions?

Yes, like all medicines, Cardnit Tablet can cause allergic reactions in some people. Signs include rash, itching, swelling, or difficulty breathing. Stop use and seek medical help immediately if this happens.

Is Cardnit Tablet safe to take for a long time?

Long-term safety depends on the condition and the patient. Your doctor will monitor for any signs of rapid heartbeat if continued use is needed.

What should I do if I experience side effects from Cardnit Tablet?

For mild side effects, inform your pharmacist. For serious effects such as rapid heartbeat, stop the medicine and contact your doctor immediately or go to the nearest hospital.

Does Cardnit Tablet affect the liver or kidneys?

Cardnit Tablet may require dose adjustment in patients with liver or kidney impairment. Your doctor will advise based on your test results and overall health condition.

Brand alternatives, same-class options, and other medicines used for the same conditions as Cardnit Tablet.

Brand alternatives

Other Glyceryl Trinitrate brands available in Pakistan.

All brands →

Used for the same conditions

Other medicines commonly used for high blood pressure (hypertension) and overlapping conditions.

High Blood Pressure (Hypertension) hub →

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.