Prolonged Seizures. Administered Lorazepam And Midazolam. Will It Have Side Effects On Children?

I am a School Nurse in CA. We have recently rec'd an order for an 8 yr old student to be administered buccal lorazepam for prolonged seizures. I have found some research, I'm not sure lorazepam is FDA approved for this route, especially for kids? What kind of training should we have prior to administration? The research seems to indicate faster absorption than rectal Diastat with fewer side effects - I.e. Less respiratory compromise, fewer admissions, less need for intubation, etc. We are not opposed to giving off label Meds but we do want to know what we are getting into first. Thanks for any assistance you can provide. We have also had a recent order for IN midazolam, We cannot locate anyone to provide training and it is not FDA approved. The prescribing MD has simply sent us a protocol from the Internet...