I've been coughing up small yet thick globs of yellow mucus+blood, my throat hurts, and it made me vomit. what could this be and how can i treat it?

Productive cough: Typically, a cough productive of colored sputum suggests infection. It could be coming from the lungs however most often, in non-smokers and young persons it is coming from a sinus infection. To make an accurate diagnosis a physical examination is needed. Sometimes nasal rinsing with saline will improve these symptoms. Products such as neilmed or netipot are available over-the-counter.