Boyfriend had withdrawal seizure

Has anyone ever experienced this? I’m pretty shook up still. I’ve been sober for two weeks so far. My boyfriend has been drinking for almost two months straight. He stopped finally 2 days ago on the 6/2/24 he went to go shave his face and I heard him fall. His whole body was convulsing and he was foaming at the mouth. I called the ambulance and he didn’t realize he had just had a seizure. I made him go with the EMTs he’s fine now. But does anyone know if these will come back again even after the ivs and meds they gave him at the ER?