What could be wrong with meI’ve had a very

Patient: What could be wrong with me….I’ve had a very bad headache today, been running high temp, freezing, alot of sweating, feel weak and I cant get comfortable, I’ve been nauseous but haven’t thrown up, I’ve been cranky and very irritated, seems like everything just irritates me and makes me mad. I’ve don’t feel right, it’s a strange crazy feeling, I don’t like it, what could it be?

Doctor: