Do I need a prescription to buy Mucolexin Syrup?

No. Mucolexin Syrup is a non-prescription product and can be ordered without a prescription. It is still dispensed by a registered pharmacist on DoctorOnCall.

What does Mucolexin Syrup contain?

Mucolexin Syrup is a syrup containing Dextromethorphan Hydrobromide. The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.

What pack sizes does Mucolexin Syrup come in?

It is supplied in a pack size of 60ml. 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 Mucolexin Syrup 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 Mucolexin Syrup?

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 Mucolexin Syrup 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 Mucolexin Syrup?

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 Mucolexin Syrup 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 Mucolexin Syrup 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.

Mucolexin Syrup | ambroxol | mucolytic cough congestion syrup | DoctorOnCall Malaysia

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Mucolexin Syrup

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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 31, 2026

Overview

Mucolexin Syrup is a syrup with Dextromethorphan Hydrobromide declared as its active content. It is supplied in a pack size of 60ml.

This is a non-prescription product and can be purchased without a prescription. Only product, safety and handling details are published on this page.

An online consultation with a DoctorOnCall doctor or pharmacist is available for this product, and a registered pharmacist reviews each order before dispatch to Malaysia or Singapore. Follow the directions on the label and on the leaflet inside the pack.

Directions for Use

Shake the bottle well before each use and measure the dose using the measuring cup or spoon supplied with the product rather than an ordinary kitchen spoon. Mucolexin Syrup can be taken with or without food, and the dose should be spaced according to the interval stated on the label; avoid taking other cough, cold, or flu products at the same time unless a pharmacist confirms there is no duplication of dextromethorphan or other overlapping ingredients.

Dosage

Dosing depends on age and should follow the instructions on the product label, as dextromethorphan-containing syrups are generally not recommended for very young children without a doctor’s advice. Adults and older children are typically given a measured dose every 6 to 8 hours as needed, without exceeding the maximum daily amount stated on the packaging, and the syrup should not be used for longer than about a week without medical review if the cough has not improved.

Shelf Life

Mucolexin Syrup remains effective until the expiry date printed on the bottle and outer carton when stored correctly and unopened. Once opened, check the label or ask your pharmacist for the recommended in-use period, and discard any syrup that has changed in colour, smell, or consistency even before the printed expiry date.

Storage Instructions

Store Mucolexin Syrup below 30°C in a cool, dry place away from direct sunlight and moisture, and keep the bottle tightly closed between uses. Do not freeze, and always keep the syrup out of the reach and sight of children.

Side Effects

Drowsiness or dizziness
Nausea or vomiting
Stomach discomfort
Mild confusion (especially at high doses)
Dry mouth

Contraindications

Known hypersensitivity to dextromethorphan or any other ingredient in the syrup
Use together with, or within about two weeks of, monoamine oxidase inhibitor (MAOI) medicines, due to the risk of a serious interaction
A cough that is productive (bringing up phlegm), chronic, or associated with asthma, emphysema, or heavy smoking, unless directed by a doctor
Children under the age stated on the product label, without medical advice
Significant liver impairment, which may affect how the medicine is processed by the body

Drug / Food Interactions

Monoamine oxidase inhibitors (MAOIs), which can cause a dangerous interaction including high fever, agitation, and rapid changes in blood pressure
Certain antidepressants (such as SSRIs), which combined with dextromethorphan can rarely lead to serotonin syndrome
Other cough, cold, or flu products containing dextromethorphan, which can lead to accidental overdose if taken together
Alcohol or sedating medicines, which may add to any mild drowsiness

Quick Tips

Check the labels of any other cough or cold medicines before combining them, to avoid taking double doses of dextromethorphan
Use for a dry, tickly cough rather than a chesty, phlegmy one
Stay well hydrated and consider warm fluids or honey (for those over 1 year old) to soothe throat irritation alongside the syrup
Avoid driving or operating machinery if you notice drowsiness
See a doctor if the cough lasts more than about a week, worsens, or is accompanied by fever, breathlessness, or chest pain

Ingredients / Active Ingredients

Dextromethorphan

Dextromethorphan Hydrobromide (active ingredient, concentration as stated on the product label)
Sugar/Sucrose Syrup Base
Sodium Benzoate (preservative)
Flavouring Agent
Purified Water

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

No Data

No adequate data available. Consult a doctor before use.

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.

Relevant Information

Mucolexin Syrup is a non-prescription cough suppressant intended specifically for dry, irritating cough, and it should not be relied upon to treat a chesty cough with thick phlegm, since it does not loosen or help clear mucus; a pharmacist can help confirm whether a suppressant like dextromethorphan or a different type of cough medicine is more appropriate for your symptoms.