Olmesartan (Olmetec) Tablet Dosage Guide in Pakistan

Olmesartan (Olmetec / Benicar) is a once-daily ARB — dose varies according to indication and patient factors. This guide provides complete dosage information, missed dose guidance, and overdose guidance.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated: 2026-06-17

Dosage Guide

Quick Answer

Olmesartan (Olmetec / Benicar) adult starting dose for hypertension is typically 20mg once daily (10mg in elderly or CKD patients). Maximum dose is 40mg once daily. Takes 2-4 weeks for full BP effect. Can be taken with or without food. Renal function and potassium must be checked 1-2 weeks after starting. Never take more than prescribed — dose is always doctor-titrated.

Dose at a Glance

Adult Dose

Hypertension: 20mg once daily (start); elderly/CKD: 10mg once daily. Max: 40mg once daily. As prescribed.

Once daily — same time daily

Max: 40mg per day (once daily)

Child Dose (Paediatric specialist guidance required)

Paediatric use — specialist guidance required; not routine

As directed by specialist

Missed Dose

If you miss a dose of olmesartan, take it as soon as you remember — but if the next dose time is near, skip it. Never take a double dose. Take the next dose at the regular time.

Overdose

Olmesartan overdose can cause severe hypotension (very low BP) and renal impairment. If too much is taken or severe dizziness/loss of consciousness occurs, contact a doctor or emergency services IMMEDIATELY. Lay the patient down and give fluids until medical help arrives.

Olmesartan (Olmetec) Tablet Dosage (Kitni leni hai)

Olmesartan Tablet is a once-daily ARB — dose varies according to indication and patient factors. Always follow your doctor's instructions. Renal function and potassium monitoring are mandatory.

Adult Dose (Baalgon ke liye)

Hypertension (BP):

Starting dose: 20mg once daily (elderly, CKD, volume-depleted: 10mg once daily)
Usual dose: 20–40mg once daily
Max: 40mg per day (once daily)
Effect onset: Maximum BP reduction within 2-4 weeks

Diabetic Nephropathy / CV Risk Reduction:

Same dosing as hypertension — as prescribed
Monitor renal function and potassium closely

Child Dose (Bachon ke liye)

Olmesartan in children should only be used with specialist guidance — it is not for routine paediatric use.

Renal Dose Adjustment

Mild-moderate CKD: 10mg se shuru, monitor closely
Bilateral renal artery stenosis: CONTRAINDICATED
Severe CKD: specialist guidance is essential

How to Take (Kaise leni hai)

Once daily — as per doctor's instructions
Same time
With or without food — food does not affect absorption

Best Time to Take (Kab leni chahiye)

Morning — or the time advised by your doctor
Same time daily — maintain a routine

With Food or Empty Stomach

Olmesartan is not affected by food — it can be taken on an empty stomach or with food.

Missed Dose (Dose chhoot jaye to kya karein)

Take it as soon as you remember. If the next dose is near, skip it — never take a double dose.

Overdose (Zyada Dose)

Severe hypotension, renal impairment risk — contact emergency services IMMEDIATELY.

Dose Summary Table

Indication	Starting Dose	Usual Dose	Max
Hypertension	20mg OD (10mg elderly/CKD)	20–40mg OD	40mg OD
Diabetic Nephropathy	20mg OD	As tolerated	40mg OD

The information in this guide is for educational purposes only. Always confirm the dose with your doctor or pharmacist.

Frequently Asked Questions

Olmesartan ki dose kitni hoti hai?

The adult starting dose for hypertension is 20mg once daily. Maximum is 40mg once daily. Full BP effect occurs within 2-4 weeks. Always follow your doctor's instructions.

Olmesartan kitni baar leni hai?

Olmesartan is taken once daily — at the same time every day. Morning is preferred, but follow the time advised by your doctor. It is a long-acting ARB — once-daily dosing is adequate.

Olmesartan khali pait lena chahiye ya khane ke baad?

Olmesartan can be taken on an empty stomach or with food — food does not affect absorption. If stomach upset occurs, taking it with food is better.

Olmesartan ka maximum dose kya hai?

The maximum dose of olmesartan is 40mg once daily. Treatment starts at 20mg and may be increased to 40mg based on BP response — the doctor decides. Do not change the dose yourself.

Olmesartan se BP kitne waqt mein control hota hai?

Maximum BP lowering effect occurs 2-4 weeks after starting olmesartan. Generally some reduction is seen in the first 1-2 weeks as well. Monitor BP regularly and follow the doctor-advised schedule.

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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.