What Causes Swelling In Tonsils Along With Blood In Sputum?

Hello i have been having tonsils as long as i can remember but it used to be diagnosed once a year lately i have been having severe sore throat and i was spitting blood i cant figure out if the blood is from my tonsils or from my nose i have gone to tge doctor he said its from the tonsils and said nothing to worry he didnt prescribe any medicine he said i should look into my diet like i should avoid ice cream sour things etc. but since then i have been having this stress that maybe i have other problems with my throat i have been feeling tightness in my throat and constantly thinking of bigger problems like cancer and all that i have gone to another doctor a week ago he said nothing to worry just tonsils and prescribed antibiotics i took them i finished them today but the pain in my throat is still there please help!