Prostam Side Effects in Pakistan

A complete guide to the side effects of Prostam. 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: 2026-07-02

Side Effects

Quick Answer

Common side effects of Prostam include dizziness and headache. Serious effects such as fainting or a severe drop in blood pressure require immediate medical attention. Most patients tolerate Prostam well at the correct dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

Dizziness
Headache
Abnormal ejaculation

Serious — See a Doctor

Fainting or severe orthostatic hypotension
Intraoperative floppy iris syndrome during cataract or glaucoma surgery
Priapism (prolonged, painful erection)

When to See a Doctor Immediately

Fainting, severe dizziness, or feeling like you might pass out, especially after the first dose
If you are scheduled for cataract or glaucoma eye surgery, tell your surgeon you are taking Prostam before the procedure
A painful erection that does not go away (priapism) — seek emergency care immediately

Prostam Side Effects (Nuksanat)

Prostam (Tamsulosin) 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)

Dizziness
Headache
Abnormal ejaculation

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

Serious Side Effects (Sanjeedah Nuksanat)

Fainting or severe orthostatic hypotension — see a doctor immediately
Intraoperative floppy iris syndrome during cataract or glaucoma surgery — inform your surgeon before the procedure
Priapism (prolonged, painful erection) — see a doctor immediately

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

Fainting, severe dizziness, or feeling like you might pass out, especially after the first dose
If you are scheduled for cataract or glaucoma eye surgery, tell your surgeon you are taking Prostam before the procedure
A painful erection that does not go away — seek emergency care immediately

Warnings and Precautions (Ihtiyat)

Don't use Prostam if you are allergic to Tamsulosin or any ingredient
Can cause a sudden drop in blood pressure, especially after the first dose or when standing up quickly

Side Effects Summary Table

Type	Side Effect	Action
Common	Dizziness	Monitor / inform doctor
Common	Headache	Monitor / inform doctor
Common	Abnormal ejaculation	Monitor / inform doctor
Serious	Fainting or severe orthostatic hypotension	See a doctor immediately
Serious	Priapism	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 Prostam Capsule?

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

Can Prostam Capsule cause allergic reactions?

Yes, like all medicines, Prostam 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 Prostam Capsule 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 severe orthostatic hypotension if continued use is needed.

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

For mild side effects, inform your pharmacist. For serious effects such as fainting or a painful erection that does not go away, stop the medicine and contact your doctor immediately or go to the nearest hospital.

Does Prostam Capsule affect the liver or kidneys?

Prostam 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 Prostam Capsule.

Used for the same conditions

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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.