Do I need a prescription to buy Salmax Cr 4mg Tablet?

No. Salmax Cr 4mg Tablet is a non-prescription product and can be ordered without a prescription. It is still dispensed by a registered pharmacist on DoctorOnCall.

What does Salmax Cr 4mg Tablet contain?

Salmax Cr 4mg Tablet is a tablet containing Salbutamol (as sulfate) 4mg, controlled-release – the active ingredient. The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.

What pack sizes does Salmax Cr 4mg Tablet come in?

It is supplied in a pack size of 56s. Choose the pack size you need from the options shown on this page before adding the item to your cart.

Why is there no information here about what Salmax Cr 4mg Tablet is for?

This page is limited to product, safety and handling information in line with Malaysian rules on medicine information. If you want advice on whether this product suits you, book an online consultation with a doctor or pharmacist on DoctorOnCall.

How should I use Salmax Cr 4mg Tablet?

Use it exactly as stated on the pack label, without changing the amount or how often you use it. If anything on the label is unclear, check with a pharmacist before the first use, and read the Directions for Use section on this page.

Can I speak to a doctor or pharmacist about Salmax Cr 4mg Tablet before I buy it?

Yes. DoctorOnCall offers online consultations with licensed doctors and registered pharmacists, so you can ask about this product, your existing medicines, or anything on the label before you place an order.

What should I do if I notice side effects after using Salmax Cr 4mg Tablet?

Stop using the product and speak to a doctor or pharmacist about any reaction that concerns you. Seek medical care immediately for signs of a severe reaction such as difficulty breathing, swelling of the face, lips or throat, or a widespread rash. Reported reactions are listed in the Side Effects section on this page.

How long will delivery take?

Within Malaysia, standard delivery takes 3 to 5 working days. Same-day delivery is available in the Klang Valley for orders placed before 12pm; orders placed after 12pm arrive by the end of the next day. Orders to Singapore are sent as international deliveries and take 5 to 9 working days. A lump-sum shipping and handling fee applies to every overseas delivery and is shown at checkout.

What payment methods can I use?

Customers in Malaysia can pay by FPX online banking, credit or debit card (Visa and Mastercard), and supported e-wallets including Touch ‘n Go eWallet, GrabPay and ShopeePay. FPX and local e-wallets are tied to Malaysian bank and wallet accounts, so if your delivery address is in Singapore, use the payment options displayed at checkout for that address rather than assuming the same list applies.

Can Salmax Cr 4mg Tablet be delivered to Singapore?

Yes. DoctorOnCall ships to Singapore as an international order dispatched from Malaysia, arriving in 5 to 9 working days with a lump-sum shipping and handling fee. Singapore’s Health Sciences Authority (HSA) allows personal imports of up to three months’ supply of a medicine for your own use or an immediate family member’s, as long as it contains no controlled drugs, psychotropic substances or prohibited items. Keep the product in its original labelled packaging and keep a copy of your prescription or doctor’s letter with it. Quantities above three months’ supply, and medicines containing controlled substances, require prior HSA approval.

Is Salmax Cr 4mg Tablet registered with the authorities?

Products listed on DoctorOnCall are registered with Malaysia’s Ministry of Health for supply in Malaysia, and each pack carries its MAL registration number. An order delivered to Singapore arrives as a personal import of a Malaysia-registered product; HSA product registration is not required for personal-use quantities, but it is also not the same as a product registered for sale in Singapore. If you need a locally registered Singapore product, buy it from a pharmacy in Singapore.

Who do I contact if there is a problem with my order?

DoctorOnCall’s customer care team handles order, delivery and product queries through the contact channels on the site, including WhatsApp and the online help centre. For deliveries to Singapore, allow more time before chasing an order than you would for a local Malaysian delivery, as the parcel passes through customs clearance and tracking updates can appear later in the journey.

Salmax CR 4mg Tablet | doxazosin | enlarged prostate hypertension tablet | DoctorOnCall Malaysia

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Salmax Cr 4mg Tablet

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Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester

Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated: October 18, 2026

Overview

Salmax Cr 4mg Tablet is supplied as a tablet, with Salbutamol (as sulfate) 4mg, controlled-release – the active ingredient. It is supplied in a pack size of 56s.

No prescription is required for this product, as it is a non-prescription medicine. This page is limited to product, safety and handling information.

If you would like guidance before buying, you can speak to a doctor or pharmacist through an online consultation on DoctorOnCall. Orders are dispensed by a registered pharmacist and delivered to your address.

Directions for Use

Swallow the tablet whole with a full glass of water; do not crush, chew, or split it, as doing so would interfere with the controlled-release mechanism. It is usually taken twice daily (approximately every 12 hours) as prescribed, with or without food.

Dosage

Your doctor will determine the appropriate dose, commonly in the range of 4-8mg taken twice daily depending on individual response, and this should be followed exactly. This tablet is intended for background, maintenance control of airway symptoms rather than rapid relief, so it should not be relied upon in place of a fast-acting reliever inhaler for sudden symptoms.

Shelf Life

Unopened and stored correctly, Salmax Cr 4mg Tablet is generally stable until the expiry date printed on the packaging. Do not use the tablets after this date, and check with your pharmacist if the blister packaging appears damaged.

Storage Instructions

Store below 30°C in a cool, dry place away from direct sunlight and moisture, in the original packaging. Keep out of the sight and reach of children at all times.

Side Effects

Shakiness or tremors
Headache
Increased heart rate
Nervousness or restlessness
Muscle cramps
Dry mouth or throat irritation

Contraindications

Known hypersensitivity to salbutamol
Uncontrolled cardiac arrhythmias or unstable ischaemic heart disease, requiring caution and doctor’s assessment
Hyperthyroidism, requiring caution and monitoring
Uncontrolled high blood pressure, requiring caution and monitoring
Diabetes, as salbutamol may cause a mild rise in blood glucose levels

Drug / Food Interactions

Other sympathomimetic medicines — may increase heart-related side effects when combined
Beta-blockers — can reduce the effectiveness of salbutamol and should generally be avoided together without medical advice
Diuretics and corticosteroids — may worsen the drop in blood potassium levels associated with salbutamol, particularly at higher doses
MAOIs and tricyclic antidepressants — may increase cardiovascular side effects when combined with salbutamol

Quick Tips

Do not crush, chew, or split the tablet — swallow it whole
Continue to carry a fast-acting reliever inhaler for sudden symptoms, as this tablet is not a rescue treatment
Take it at consistent times, roughly 12 hours apart, for steady maintenance control
Report increased use of your reliever inhaler or worsening symptoms to your doctor promptly
Report noticeable tremor, palpitations, or a racing heartbeat to your doctor

Ingredients / Active Ingredients

Salbutamol

Salbutamol (as sulfate) 4mg, controlled-release – the active ingredient
Controlled-release tablet matrix and coating excipients as formulated by the manufacturer

Safety Advice

Pregnancy

Safe If Prescribed

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

Breastfeeding

Generally Safe

This medicine is generally safe during breastfeeding with minimal risk to the infant.

Kidney

Generally Safe

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

Liver

Generally Safe

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

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.

Relevant Information

As a prescription-only, longer-acting oral bronchodilator, Salmax Cr 4mg Tablet should be used under regular doctor review, particularly for people with heart conditions, thyroid disorders, or diabetes. It is intended for maintenance control of airway symptoms and is not a substitute for a fast-acting reliever inhaler during an acute asthma attack, which requires prompt treatment and, if severe, emergency medical care.