If you need a script filled quickly, please ensure that you send us your original prescription by express post (or even better, ask your vet to send it to us directly), and also make sure you choose express post delivery during checkout. We work really hard to get orders out as quickly as possible but we do not recommend relying on the postal system (even express post) for urgently required medicines. If your pet's need for its medicine is critically urgent do not order it online for home delivery but arrange to collect it from your vet instead.