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Petco Prescription Pet Medication: How It Works & What It Costs

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Petco's prescription pet medication service ships flea/tick, heartworm, chronic disease, and prescription diets from licensed pharmacies — usually at lower prices than buying through your vet's office. This guide explains how it works, what to expect on cost, and how to stack Repeat Delivery for chronic Rx savings. Petco is our affiliate partner.

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How it works

You shop the medication, enter your pet's info, and either upload a prescription or have Petco contact your vet directly for authorization. Once verified, the order ships from a licensed pharmacy.

What's typically available

Flea & tick (Bravecto, NexGard, Simparica), heartworm (Heartgard, Interceptor), thyroid, anti-inflammatory, antibiotics, behavioral medications, and prescription diets like Hill's Prescription Diet and Royal Canin Veterinary Diet.

Pricing & savings

Online pharmacy pricing is typically 10–40% below in-clinic vet pricing, and Repeat Delivery on chronic Rx can stack additional savings plus auto-renewal so you never miss a refill.

Compatibility with your vet

Your prescribing vet's authorization is required for any Rx item. Most vets approve quickly via fax or e-prescribe; a few clinics charge a small refill processing fee.

Frequently Asked Questions

Is online pet medication safe?

Yes when bought from a verified pharmacy. Petco partners with licensed pharmacies, and prescription items always require valid vet authorization.

Can I use Repeat Delivery for prescriptions?

Yes — Repeat Delivery is available for most chronic Rx items and saves on every recurring shipment.

What if my vet won't authorize the prescription?

Vets are obligated to provide a written prescription on request that you can use anywhere. If a clinic refuses to authorize, ask for a written copy.

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