Hi girls, my husband's fever won't go down, it's actually going up. We…

Hi girls, my husband's fever won't go down, it's actually going up. We're thinking about calling an ambulance, but my mother-in-law is scared — she's heard all these stories that they kill people in hospitals and won't let us call one. I couldn't get his temperature down from 38 all day and now he's almost 40. I don't know what to do.