The 1st one is an anti-inflammatory/pain reducer, 2nd is an oral antibiotic and it's hard on the kidneys so make sure your cham stays well hydrated, 3rd is an antibiotic ointment for the eye. I'd either make an appointment with the vet and take those meds in and establish yourself as the new owner or have the previous owner go in and sign papers saying the vet can talk to you. You need to know why the cham is getting these meds, the dosing instructions, and prognosis