Hilagra Side Effects in Pakistan

A complete guide to the side effects of Hilagra. From common effects to serious warnings, including the critical nitrate interaction, 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: 2026-07-02

Side Effects

Quick Answer

Common side effects of Hilagra include headache and flushing. Serious effects such as priapism (a prolonged painful erection) require immediate medical attention. Hilagra must never be combined with nitrate medicines, as this can cause a life-threatening drop in blood pressure. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

Headache
Flushing (warmth or redness of the face)
Indigestion

Serious — See a Doctor

Priapism (a painful erection lasting more than 4 hours)
Sudden vision loss or blurred vision
Sudden hearing loss or ringing in the ears

When to See a Doctor Immediately

An erection lasting longer than 4 hours (priapism) — this is a medical emergency
Chest pain, dizziness, or fainting during or after sexual activity
Sudden vision loss, blurred vision, sudden hearing loss, or ringing in the ears
Signs of a severe allergic reaction such as swelling of the face or throat, or difficulty breathing

Hilagra Side Effects (Nuksanat)

Hilagra (Sildenafil Citrate) is generally well tolerated when taken at the correct dose under medical supervision. However, like all medicines, it can cause side effects in some patients, and certain combinations carry serious risk.

Common Side Effects (Aam Nuksanat)

Headache
Flushing (warmth or redness of the face)
Indigestion

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

Serious Side Effects (Sanjeedah Nuksanat)

Priapism (a painful erection lasting more than 4 hours) — this is a medical emergency, see a doctor immediately
Sudden vision loss or blurred vision — see a doctor immediately
Sudden hearing loss or ringing in the ears — see a doctor immediately

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

An erection lasting longer than 4 hours (priapism) — go to the emergency room without delay
Chest pain, dizziness, or fainting during or after sexual activity
Sudden vision loss, blurred vision, sudden hearing loss, or ringing in the ears

Warnings and Precautions (Ihtiyat)

Don't use Hilagra if you are allergic to Sildenafil Citrate or any ingredient
EMERGENCY WARNING: Never combine Hilagra with nitrate medicines used for chest pain or heart conditions. This combination can cause a sudden, severe, life-threatening drop in blood pressure.

Side Effects Summary Table

Type	Side Effect	Action
Common	Headache	Monitor / inform doctor
Common	Flushing	Monitor / inform doctor
Common	Indigestion	Monitor / inform doctor
Serious	Priapism (>4 hours)	Medical emergency — seek immediate care
Serious	Sudden vision or hearing loss	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

Hilagra ke sabse aam nuksanat kya hain?

The most commonly reported side effects of Hilagra include headache and flushing. These are usually mild and go away on their own. Inform your doctor if they persist.

Kya Hilagra dil ke liye khatarnak ho sakti hai?

Yes, if combined with nitrate medicines used for chest pain or heart conditions, Hilagra can cause a life-threatening drop in blood pressure. Men with heart disease must be evaluated by a doctor before use.

Priapism kya hai aur ye kitna serious hai?

Priapism is a painful erection lasting more than 4 hours. It is a genuine medical emergency that requires immediate care to prevent permanent damage — go to the nearest emergency room without delay.

Agar Hilagra se koi side effect ho to kya karna chahiye?

For mild side effects like headache or flushing, inform your pharmacist. For serious effects such as priapism, sudden vision loss, or sudden hearing loss, stop the medicine and seek emergency medical care immediately.

Kya Hilagra ankhon ya kaanon par asar dal sakti hai?

In rare cases, Sildenafil Citrate has been associated with sudden vision loss or sudden hearing loss. If either occurs, stop use and contact a doctor immediately.

Sources

Hilagra (100mg) 10 Tablets — Healthwire Pharmacy — Healthwire (Pakistan)
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.