Zoetis Sileo Dexmedetomidine Oromucosal GelZoetis Sileo Dexmedetomidine Promucosal Gel This is a prescription medicine. A prescription is required from your veterinarian before we can supply this product. Please ensure that you have read the "How to Order" page before ordering this item. The original, physical prescription letter which you possess will be collected upon delivery self collection. A straightforward solution to a serious, but underdiagnosed, medical condition: the first FDA