Do I need a prescription to buy Alleryl 4mg/5ml Syrup?

No. Alleryl 4mg/5ml 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 Alleryl 4mg/5ml Syrup contain?

Alleryl 4mg/5ml Syrup is a syrup containing Chlorpheniramine Maleate 4mg/5ml. The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.

What pack sizes does Alleryl 4mg/5ml 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 Alleryl 4mg/5ml 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 Alleryl 4mg/5ml Syrup?

Follow the instructions printed on the label and in the leaflet supplied with the pack, and do not exceed the stated amount or duration. Handling steps are set out in the Directions for Use section on this page.

Can I speak to a doctor or pharmacist about Alleryl 4mg/5ml 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 Alleryl 4mg/5ml 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 Alleryl 4mg/5ml 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 Alleryl 4mg/5ml 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.

Alleryl 4mg/5ml Chlorpheniramine Syrup - Allergy & Runny Nose Relief Malaysia

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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

Alleryl 4mg/5ml Syrup contains Chlorpheniramine Maleate 4mg/5ml and is presented as a syrup. It is supplied in a pack size of 60ml.

It is classified as a non-prescription medicine, so no prescription is needed to order it. Under Malaysian rules for medicine information, this page carries product, safety and handling information only.

You can consult a doctor or pharmacist online on DoctorOnCall about this product before or after you order. Every order is checked by a registered pharmacist before it is delivered. Always read the label and the leaflet supplied with the pack.

Directions for Use

Shake the bottle well before each use and measure the dose accurately using the measuring cup or oral syringe provided, rather than a household spoon. Alleryl 4mg/5ml Syrup can be taken with or without food, and doses are usually spaced several hours apart as directed on the product label or by your pharmacist or doctor.

Dosage

Dosage of Alleryl 4mg/5ml Syrup depends on the age of the person being treated and is stated on the product packaging; it is typically given several times a day up to the maximum stated dose. Always refer to the label for age-specific dosing or consult a pharmacist, and do not exceed the recommended dose or duration of use without medical advice.

Shelf Life

Alleryl 4mg/5ml Syrup is typically stable for the shelf life stated on its packaging when unopened and stored correctly; always check the expiry date printed on the bottle and carton before use, and once opened, use the syrup within the timeframe indicated on the label.

Storage Instructions

Store Alleryl 4mg/5ml Syrup below 30°C, away from direct sunlight and moisture, and keep the bottle tightly closed when not in use. Keep it out of reach and sight of children, and do not store it in the bathroom or near a sink where humidity is high.

Side Effects

Drowsiness or fatigue
Dry mouth, nose, or throat
Dizziness
Nausea or upset stomach
Headache
Restlessness (especially in children)
Blurred vision

Contraindications

Known hypersensitivity to chlorpheniramine maleate or any other antihistamine
Infants below the minimum age stated on the product label
Severe asthma attack or acute lower respiratory tract symptoms
Narrow-angle glaucoma
Symptomatic urinary retention or bladder neck obstruction
Use together with monoamine oxidase inhibitors (MAOIs) or within 14 days of stopping one

Drug / Food Interactions

Increased drowsiness when combined with alcohol
Additive sedative effects with other sedating antihistamines, sleeping tablets, or anti-anxiety medicines
Enhanced sedation and anticholinergic effects with tricyclic antidepressants
Should not be combined with monoamine oxidase inhibitors (MAOIs)
May mask signs of ototoxicity when taken with certain antibiotics

Quick Tips

Take Alleryl 4mg/5ml Syrup at bedtime if drowsiness affects your daily activities
Avoid driving or operating machinery until you know how the syrup affects you
Use the measuring cup or oral syringe provided, not a kitchen spoon, for accurate dosing
Avoid alcohol while taking this syrup
See a doctor if allergy symptoms persist beyond a few days or worsen

Ingredients / Active Ingredients

Chlorpheniramine Maleate

Chlorpheniramine Maleate 4mg/5ml

Safety Advice

Pregnancy

Safe If Prescribed

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

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

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

Alleryl 4mg/5ml Syrup is intended for the short-term relief of allergy and cold symptoms rather than for treating the underlying cause of an allergic condition. If symptoms are severe, recurrent, or accompanied by breathing difficulty, swelling of the face or throat, or a persistent fever, medical attention should be sought promptly rather than relying on self-medication alone.