Fortzaar 100mg/25mg tablet

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Brand MSD
Manufacturer MSD
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Dr. Mohd Izzat Amir Bin Awang
Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester
Dr. Adeline Carol Peters
Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated:

Overview

Fortzaar 100mg/25mg tablet is a prescription-only medicine (POM) that contains Losartan Potassium 100mg and Hydrochlorothiazide 25mg. It is supplied as a tablet and is dispensed in Malaysia only against a valid prescription issued by a registered doctor.

Under Malaysian rules for prescription medicines, this page carries product, safety and handling information only. Your doctor or pharmacist will explain whether this medicine is suitable for you, the dose you should take, and how long you should take it.

On DoctorOnCall, Fortzaar 100mg/25mg tablet is reviewed by a licensed doctor through an online consultation and dispensed by a registered pharmacist before delivery. Always follow the instructions on your prescription label and the package insert supplied with the product, and do not share this medicine with anyone else.

Directions for Use

Take Fortzaar 100mg/25mg tablet at about the same time each day, with or without food, and swallow the tablet whole with a glass of water. Do not stop taking this medicine suddenly without consulting your doctor, as blood pressure control needs to be continuous even once you feel well.

Dosage

The usual dose of Fortzaar 100mg/25mg tablet is one tablet once daily. Your doctor will decide whether this combination is suitable for you based on your response to losartan or hydrochlorothiazide alone, and may adjust the dose based on your blood pressure control and kidney function. Always take exactly as prescribed.

Storage Instructions

Store below 30°C in a dry place, away from direct sunlight and out of reach of children.

Side Effects

  • Dizziness or light-headedness
  • Increased urination
  • Headache
  • Nausea or vomiting
  • Muscle cramps or weakness
  • Sensitivity to sunlight

Contraindications

  • Known hypersensitivity to losartan, hydrochlorothiazide, other sulfonamide-derived drugs, or any ingredient in this product
  • Anuria (inability to produce urine) or severe kidney impairment
  • Pregnancy (can cause harm to the developing baby, especially in the second and third trimester)
  • Severe liver impairment
  • Concomitant use with aliskiren in patients with diabetes or kidney impairment

Drug / Food Interactions

  • Potassium supplements or potassium-sparing diuretics may raise the risk of high blood potassium
  • NSAIDs (e.g. ibuprofen) may reduce the blood-pressure-lowering effect and affect kidney function
  • Lithium levels may increase when combined with this medicine
  • Alcohol, barbiturates, or narcotics may worsen dizziness from low blood pressure on standing

Quick Tips

  • Take at the same time each day to build a consistent routine
  • Monitor your blood pressure regularly as advised by your doctor
  • Rise slowly from sitting or lying down to reduce dizziness
  • Attend scheduled blood tests to check kidney function and electrolyte levels

Ingredients / Active Ingredients

  • Losartan Potassium 100mg
  • Hydrochlorothiazide 25mg

Safety Advice

Pregnancy

No Data

There is no adequate data on use during pregnancy. Consult a doctor before use.

Breastfeeding

Use With Care

Use with caution. Monitor infant for potential adverse reactions.

Kidney

Use With Care

Use cautiously. Dose adjustment or monitoring may be required.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Not Advisable

It is not advisable to consume alcohol while taking this medicine.

Driving

Not Advisable

It is not advisable to drive if you experience side effects from this medicine.

Frequently Asked Questions

Product Specifications

BrandMSD
ManufacturerMSD
ClassificationPrescription medicine
Ingredients / Active IngredientsHydrochlorothiazide
Pack Size10s, 30s
Shelf LifeUse this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.

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