It can be difficult to differentiate at times but we have a lot of pseudoseziures here. Risk factors- Female, teenaged, mental health hx
There are signs to look for, Obviously if they are appearing to have a tonic/clonic seizure you can look at things like their breathing and eye activity, response to painful stimuli. No post-ictal phase, with the pt telling you they suffer from seizures but unable to elaborate on the hx of their condition, who their neurologist is, and not being on any epilepsy type medication. If in serious doubt always treat it as it presents. If that means giving Midaz/Loraz/Diaz to someone faking it, then so be it. Better than withholding from someone actually having genuine convulsions.