Vet Prescriptions in Singapore: What You Need Before Ordering Online

Quick answer. Prescription diets such as Royal Canin's veterinary range can only be bought online in Singapore with a current prescription from a clinic that has examined your pet. You need the clinic's details on your account, your pet's profile completed, and the prescription still within its validity period.

Key facts

• The prescription must come from a clinic that has examined your pet; that examination is what makes the recommendation valid.
• Your account details must match what the clinic has on record, because matching runs on them.
• Expired prescriptions require a fresh vet review before the store can dispense again.
• Buying prescription food without a prescription, for example on resale marketplaces, skips the safety check the diet depends on.

Why pet food needs a prescription at all

Therapeutic diets are formulated for diagnosed conditions: urinary stones, kidney disease, food allergy, diabetes. Fed to the wrong animal, they can do harm rather than good; a kidney diet, for instance, is not a precautionary choice for a healthy young dog. That is why Singapore treats them like the pharmacy products they are, and why the vet-online store will not sell them without a matching prescription.

What a valid prescription covers

The prescription ties one pet, one clinic and one set of recommended products together. It is issued after an examination, and it is what the store's system checks your order against. If you are looking for a clinic, Royal Canin's find-a-vet tool lists veterinary practices across Singapore. If your clinic recommended a Royal Canin diet at the last consult, that recommendation is already the prescription you need.

It helps to understand what the prescription is not. It is not a general brand preference your friend's vet mentioned, not a product a pet shop recommended, and not transferable between animals, even littermates. It is a clinical instruction for one patient, and every part of the ordering system exists to keep it that way.

How long it lasts

Prescriptions have a validity period set by the clinic. Once one lapses, the sensible sequence is a recheck first, then a renewal, because your pet's condition may have changed: a cat whose kidney values have improved may not need the same formulation, and a dog whose stones have not fully dissolved may need the diet continued or adjusted. The store cannot renew a prescription on the vet's behalf, and the renewal always runs through the clinic that issued it.

Who decides what: the store vs your vet

The division of responsibility is clean and worth knowing. Your vet decides everything clinical: whether a prescription diet is indicated, which formula, how it fits with other treatments. The store executes everything logistical: verifying the prescription against your account, holding stock, delivering. The store cannot change a prescription. When something needs to change clinically, it changes at the clinic; when something needs to change practically, like a delivery address or an order quantity, that is a store conversation.

One prescription per pet

Prescriptions do not transfer between animals, even within a household. If two pets need the same diet, each needs its own prescription from its own examination. It is the least convenient rule in the system and the one doing the most safety work: what suits a large dog with kidney disease could genuinely harm a healthy kitten snacking from the same bowl. (Managing several pets? See how one account handles a multi-pet household.)

Why not just buy it without the prescription?

Resale platforms sometimes list prescription diets with no checks at all. Beyond the question of storage and authenticity, buying that way removes the veterinary judgment the diet depends on: whether this formula suits this pet, at this stage, alongside their other conditions. The prescription system is not paperwork for its own sake. It is the mechanism that keeps the clinical decision where it belongs, and it is also what protects you: if your pet's condition changes, the renewal conversation catches it.

The system exists so that the diet reaching your door is the one your vet actually prescribed. The paperwork is the safety check.

The clinic's role in the system

It helps to picture the store and your clinic as two halves of one record. The clinic holds the clinical truth: the diagnosis, the examination, the products recommended. The store holds the logistics: the stock, the checkout, the delivery. The prescription is the bridge between them, and your account is what makes the bridge passable. None of this works with a photograph of a handwritten note from years ago; it works because the issuing clinic is connected and the details are current.

What happens when details do not match

If you register with a different email or mobile number than the clinic holds, the prescription will not attach, and the products stay locked. The recovery sequence is short: contact the clinic, confirm what details they have on file, update your account to match (or ask the clinic to update theirs), and allow the system to re-check. Resist creating a second account with different details; that forks your pet's records and makes every future order harder.

Why renewal always requires a visit

A renewal prescription is not a formality. Your vet is confirming that the diet is still the right clinical answer: has the pet's weight changed, has the condition progressed, should the formula be adjusted? That judgment cannot be made over a reorder button. Booking the recheck before the prescription expires is what keeps treatment continuous.

Getting the details right

One practical note saves most ordering headaches: register with the same email address and mobile number your clinic holds, and keep both current with the clinic when they change. Prescription matching runs on those two details. (The full ordering walkthrough is in our guide to ordering prescription diets online.)

Frequently asked questions

Who can issue the prescription? A veterinary clinic that has examined your pet. The examination is what makes the recommendation valid, and the store matches prescriptions to the clinic's records.

How long does a prescription stay valid? The validity period is set by the issuing clinic, and it reflects how often your pet's condition should be reviewed. Once it lapses, book a recheck before reordering.

What if my clinic and my account details do not match? Update whichever is out of date, usually with the clinic first. Matching runs on the email address and mobile number the clinic holds for you.

Is it legal to buy prescription diets second-hand without a prescription? Buying without the prescription removes the veterinary judgment the diet depends on, and the seller's storage and handling are unverifiable. The safe route online is always through the prescription system.

More questions about accounts, delivery or prescriptions? See our FAQ, or browse veterinary diets for dogs and veterinary diets for cats.