Lately I've been feeling run down with my work schedule and always waking up in the middle of the night to pee or wake up in the early morning to throw up or just sit in the bathroom til I feel better.

Yesterday I felt a sore throat coming on so I gargled with salt water and went to bed. When I got up, it didn't seem like gargling did anything so I did it again and with more salt and took a nap. I still don't feel better. I know gargling isn't a miracle cure but I usually feel better after I do it and wake back up. I can't see anything in the back of my throat but I can feel a lot of buildup back there. And ever since I threw up Pizza Hut two days ago, my stomach has been feeling upset. Should I be worried?