Suggest Remedies For Sore And Swollen Throat Along With Blood In Mucus

I am a 17 yr old male. 2 weeks a go, I got a cold with a sore throat, and a cough. It went away, except for my throat issue. today, my it is slightly painful for me to swallow my SALIVa. not my food. i have been clearing my throat a lot when i was sick, and since yesterday, my mucus had had a little trace of blood. when i bring my chin down to my neck, i feel some possible swelling. Please Help!!!