Installment Available Diquas-S 3% Ophthalmic Solution
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Prescription Required
Overview
Diquas-S 3% Ophthalmic Solution is a prescription-only medicine (POM) that contains Diquafosol sodium (tetrasodium) 3%. It is supplied as a solution 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, Diquas-S 3% Ophthalmic Solution 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
Instil one drop of Diquas-S 3% Ophthalmic Solution into the affected eye(s) as directed by your doctor, then discard the single-dose vial after one use – do not reuse or save the remaining contents for later, even if it looks like some solution is left. This preservative-free formulation is often preferred for frequent daily dosing or for contact-lens wearers and people with sensitive eyes, since it avoids preservative-related irritation.
Dosage
Diquas-S 3% Ophthalmic Solution is usually instilled as one drop into the affected eye(s), typically six times a day, though your doctor will confirm the exact frequency appropriate for your condition. Continue using it for as long as your doctor recommends, even if symptoms improve, unless advised otherwise.
Shelf Life
Use this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.
Storage Instructions
Store below 30°C in a dry place, away from direct sunlight and out of reach of children.
Side Effects
- Temporary eye irritation or discomfort
- Eye redness
- Blurred vision immediately after application
- Mild eye discharge
- Watering eyes
Contraindications
- Known hypersensitivity to diquafosol sodium or any ingredient in this product
Drug / Food Interactions
- Wait at least 5 minutes between this and any other eye drop to avoid one washing out the other
- Remove contact lenses before instilling this eye drop, and wait as advised by your doctor or pharmacist before reinserting them
- Inform your doctor of any other eye medicines or eye conditions you have before starting treatment
Quick Tips
- Wash your hands before instilling the eye drop
- Avoid touching the dropper tip to your eye or any surface
- Wait at least 5 minutes before using any other eye drop
- Continue using as prescribed even if symptoms improve, unless your doctor advises otherwise
- Expect mild, brief stinging or blurred vision right after application – this usually settles quickly
- Discard each single-dose vial after one use – never reuse or save it for later
Frequently Asked Questions
Is Diquas-S 3% Ophthalmic Solution a prescription medicine?
Yes. Diquas-S 3% Ophthalmic Solution is a prescription-only medicine (POM). It can only be supplied against a valid prescription written by a registered doctor, and it should be used only by the person named on the prescription label.
What does Diquas-S 3% Ophthalmic Solution contain?
Diquas-S 3% Ophthalmic Solution is supplied as a solution and contains Diquafosol sodium (tetrasodium) 3%. The full composition is listed in the Composition section on this page and on the product packaging.
Why is there no information here about what Diquas-S 3% Ophthalmic Solution is for?
Malaysian rules for prescription medicines limit public product pages to product, safety and handling information. Your doctor decides whether this medicine is appropriate for you and will explain it during your consultation, and your pharmacist can answer further questions when the medicine is dispensed.
How should I take Diquas-S 3% Ophthalmic Solution?
Take it exactly as written on your prescription label. Do not increase, reduce or skip doses on your own, and do not continue beyond the period your doctor has prescribed. Practical handling steps are set out in the Directions for Use section on this page.
What should I do if I miss a dose?
Take it as soon as you remember, unless your next dose is nearly due. In that case skip the missed dose and carry on with your usual schedule. Never take two doses together to make up for a missed one. If you miss doses often, tell your doctor or pharmacist.
How should I store Diquas-S 3% Ophthalmic Solution?
Store below 30°C in a dry place, away from direct sunlight and out of reach of children. Keep it in the original pack until use, and do not use it after the expiry date printed on the packaging.
What should I do if I notice side effects?
Tell your doctor or pharmacist about any reaction that concerns you, and 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.
Can I stop taking Diquas-S 3% Ophthalmic Solution on my own?
No. Speak to your doctor before stopping, pausing or changing the dose, even if you feel well or think you no longer need the medicine.
How do I get a prescription for Diquas-S 3% Ophthalmic Solution?
Customers in Malaysia can complete an online consultation with a DoctorOnCall doctor, who decides whether a prescription is appropriate, or upload a valid prescription already issued by their own doctor.
Orders going to Singapore are dispatched from Malaysia as an international delivery, so you need to hold a valid prescription or doctor’s letter for the medicine. Check the consultation and prescription upload options shown at checkout for your delivery address before placing the order.
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 Diquas-S 3% Ophthalmic Solution 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 Diquas-S 3% Ophthalmic Solution 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.
Ingredients / Active Ingredients
- Diquafosol sodium (tetrasodium) 3%
Safety Advice
Pregnancy
Limited information is available regarding use during pregnancy. Use only if clearly needed.
Breastfeeding
Limited data on excretion in breast milk. Consult a doctor before use.
Kidney
Generally safe, but caution may be required in some patients.
Liver
Generally safe, but caution may be required in some patients.
Alcohol
Caution is advised when consuming alcohol with this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
