Drug delivery agents in the form of dissolvable films that facilitate the delivery of pharmaceutical, medical and veterinary preparations and nutritional supplements; Pharmaceuticals, medical and veterinary preparations containing dexamethasone for treatment of allergic reactions, croup, nausea, post-operative vomiting as a side effect of other medical treatment, asthma, inflammation, immunodeficiency, muscle cramp and virus related illnesses; Pharmaceuticals, medical and veterinary preparati...