Cyclosporine, the Lively component in Optimmune Ointment, suppresses the inflammatory response and will help boost tear production. Phenobarbital may also be used for other applications not stated below. It is sold for every pill. Phenobarbital needs a prescription out of your veterinarian and is classed to be a routine IV https://medshopinc.com/product/pentobarbital-natrium/