Yes, provided it has a UK Marketing Authorisation. Orders for POM-V products purchased through the internet must be accompanied by a valid veterinary prescription. If the medicine you wish to purchase requires a veterinary prescription, all reputable sites will ask for this prescription to be provided. Sales of POM-VPS medicines (such as horse wormers) should be based on the suitability of the product for the horse. For the internet seller to fulfil their legal obligations they should be asked for information about the horse before completing the purchase of these medicines. AVM-GSL medicines can be sold with no interaction.