Are these symptoms caused by anxiety or because of another reason?

Lately i have suffered several severe disease which make me feel more stressed than ever.

I have some symptoms like these:

My whole body kept trembling, i felt hot and cold. Though i felt hot but i didn't sweat. And it's hard to sleep too.

Are these symptoms caused by anxiety or because of another reason?

Was u feeling this during a panic attack I've been dealing with health anxiety and panic attacks for many many years and yes I uave experienced.

During my panic attacks my legs with shake bad and It when it first comes on I will feel a sensation of feeling hot and there is literally no way I can go to sleep while having a panic attack so there ya go 100% anxiety attacks will cause these sensations

What diseases have u been diagnosed with forgot to ask?