Scratchy in the throat and coughing and sore throat, hurts to swallow. and sneezing and running nose. what could it be?

Rhinovirus: People always think of the worst, and rightfully so. Symptoms as yours without the fever and headaches in all likelihood, like 90% of upper respiratory infections is viral in etiology and symptomatic treatment is all that is necessary. It will take a few days but you'll be better. Drink your fluids. If there is pus in the throat, go see your doctor for evaluation and treatment.