I found my girlfriend collapsed at her place, but she still won't tell me what's happening to her. How should I make her talk about it?

I think my girlfriend is ill, I've been with her for eight months now, she told me she used to have this health condition when she was young but she's all better now. Recently, she became really pale, and lost weight fast (she's not pregnant or doing drugs... fyi). and this evening I found her unconscious, burning up, I tried to all 911, but she regained consciousness and stopped me and she's finally sleeping now, temp is down to normal.. thank god.. but still hasn't tell me what's going on with her. I'm really concerned about her. How should I make her talk about it? :/ have you ever had a gf with health condition? I really want to help her but I don't know how.. please help
I found my girlfriend collapsed at her place, but she still won't tell me what's happening to her. How should I make her talk about it?
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