Azomax 500 Capsule Side Effects in Pakistan

Azomax 500 (Azithromycin) 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: 2026-04-28

Side Effects

Quick Answer

Common side effects of Azomax 500 (Azithromycin) include nausea, diarrhoea, and stomach pain. Serious effects such as QT prolongation (irregular heartbeat), severe allergic reaction, and jaundice require immediate medical attention. Most patients tolerate Azomax well at the correct 3-day dose.

Side Effects at a Glance

Common

Nausea (Matli)
Diarrhoea (Dast)
Stomach pain or cramps
Vomiting (Qay)
Headache (Sar dard)

Serious — See a Doctor

QT prolongation — irregular heartbeat, palpitations
Severe allergic reaction — hives, facial swelling, difficulty breathing (anaphylaxis)
Liver dysfunction — jaundice, dark urine (Yarqan)
Clostridium difficile colitis — severe bloody diarrhoea

When to See a Doctor Immediately

Irregular heartbeat or chest pain
Severe skin rash, facial or lip swelling, difficulty breathing (anaphylaxis sign)
Yellowing of eyes or skin (jaundice)
Severe watery or bloody diarrhoea lasting more than 2 days
Sudden change in hearing or ringing in ears

Azomax 500 Capsule Side Effects (Nuksanat)

Azomax 500 (Azithromycin 500mg) is generally well-tolerated for its short 3-day course. However, some patients experience side effects ranging from mild GI symptoms to rare but serious cardiac effects.

Common Side Effects (Aam Nuksanat)

Nausea (Matli)
Diarrhoea (Dast)
Stomach pain or cramps
Vomiting (Qay)
Headache (Sar dard)

These side effects are generally mild and resolve after the 3-day course ends.

Serious Side Effects (Sanjeedah Nuksanat)

QT prolongation — irregular heartbeat — see a doctor immediately
Severe allergic reaction — face/lip swelling, breathing difficulty — go to emergency immediately
Jaundice — yellow eyes/skin — see a doctor immediately
C. diff colitis — bloody diarrhoea — see a doctor immediately

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

Irregular heartbeat or chest pain
Severe skin rash or difficulty breathing (anaphylaxis)
Yellowing of eyes or skin (jaundice)
Severe or bloody diarrhoea lasting more than 2 days

Side Effects Summary Table

Type	Side Effect	Action
Common	Nausea (Matli)	Take with food
Common	Diarrhoea (Dast)	Stay hydrated
Common	Stomach pain	Monitor
Serious	QT prolongation	See a doctor immediately
Serious	Severe allergic reaction	Go to emergency immediately
Serious	Jaundice	See a doctor immediately

Reporting Side Effects

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

The information in this guide is for educational purposes only.

Frequently Asked Questions

What are the most common side effects of Azomax 500?

The most commonly reported side effects of Azomax 500 include nausea, diarrhoea, and stomach pain. These are usually mild and resolve after the 3-day course ends.

Can Azomax 500 cause heart problems?

Yes, Azithromycin can cause QT prolongation (a type of irregular heartbeat) in some patients, especially those with pre-existing heart conditions or those taking other QT-prolonging drugs. Tell your doctor if you have any heart condition before taking Azomax.

Can Azomax 500 cause allergic reactions?

Yes, allergic reactions including rash, itching, swelling, and difficulty breathing can occur. Stop the medicine immediately and seek emergency help if you notice these signs.

Is Azomax 500 safe to take for a long time?

Azomax 500 is intended for short 3–5 day courses only. Long-term use increases the risk of C. difficile infection, hearing problems, and cardiac effects.

Does Azomax 500 affect the liver?

Azithromycin can occasionally cause elevated liver enzymes and, rarely, cholestatic jaundice. Patients with liver disease should use it with caution and under medical supervision.

Brand alternatives, same-class options, and other medicines used for the same conditions as Azomax 500 Capsule.

Brand alternatives

Other Azithromycin brands available in Pakistan.

All brands →

Other antibiotics

Sibling medicines in the Antibiotics class.

All in class →

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.