Kamiren XL 4mg Tablet

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Brand KRKA
Manufacturer KRKA
  • FDA Approved
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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

Kamiren XL 4mg Tablet is a prescription-only medicine (POM) that contains Doxazosin 4mg (extended-release, as doxazosin mesilate). 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, Kamiren XL 4mg 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 Kamiren XL 4mg Tablet once daily, at about the same time each day, with or without food. Swallow the extended-release tablet whole with a glass of water; do not crush, chew, or split it, as this can release the full dose at once. It is normal to occasionally notice a soft tablet shell residue in the stool – this is simply the empty shell after the medicine has been released and is not a cause for concern.

Dosage

The usual dose of Kamiren XL 4mg Tablet is 4mg once daily, which your doctor may increase to 8mg once daily after a few weeks if needed, depending on your blood pressure or urinary symptom response. This is an individualised treatment, so always follow your doctor’s prescribed dose rather than adjusting it yourself.

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
  • Headache
  • Fatigue or tiredness
  • Swelling in the legs or feet (edema)
  • Runny or stuffy nose
  • Low blood pressure, especially when standing up quickly

Contraindications

  • Known hypersensitivity to doxazosin or other quinazoline-derived medicines
  • History of postural (orthostatic) hypotension or fainting spells
  • Severe liver impairment
  • Men being treated for BPH who also have a history of low blood pressure on standing

Drug / Food Interactions

  • Other blood pressure medicines or nitrates can increase the risk of a significant drop in blood pressure
  • PDE5 inhibitors (e.g. sildenafil, tadalafil) taken close together with doxazosin can cause symptomatic low blood pressure
  • Alcohol may worsen dizziness and light-headedness
  • Other alpha-blockers should not be combined, as this increases the risk of hypotension

Quick Tips

  • Take your first dose at bedtime, as dizziness is most likely after starting treatment
  • Rise slowly from sitting or lying down, especially in the first few days
  • Swallow the extended-release tablet whole – never crush, chew, or split it
  • Tell your doctor before taking any medicine for erectile dysfunction while on this treatment

Ingredients / Active Ingredients

  • Doxazosin 4mg (extended-release, as doxazosin mesilate)

Safety Advice

Pregnancy

Safe If Prescribed

This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.

Breastfeeding

Limited Data

Limited data on excretion in breast milk. Consult a doctor before use.

Kidney

Generally Safe

Generally safe, but caution may be required in some patients.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Use With Care

Caution is advised when consuming alcohol with this medicine.

Driving

Use With Care

Use caution while driving until you know how this medicine affects you.

Frequently Asked Questions

Product Specifications

BrandKRKA
ManufacturerKRKA
ClassificationPrescription medicine
Ingredients / Active IngredientsDoxazosin
Pack Size10s, 90s
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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