My Friend Is Male And 57 Years Old Had Sudden

My friend is male and 57 years old had sudden sweats collapsed unable to get up, stomach churning boiling and then urge to shit and did then eyes rolled back in his head foaming drool from his mouth lasted moments saw his skin go white, cold and clammy. He laid on the floor and took a few minutes before he could get up. Showered got chilled warmed up slept for 30 min's and as he did observed him get very warm and his face looked purple. He is lifelong asthmatic and high blood pressure. Stressful news occurred prior