What is the best snot medicine for adults?

GRACE Lilith • Previously Lilith DV survivor

I have been having extremely bad allergies and now I think it’s turned into a sinus infection. I am sleeping with toilet paper up my nose because it’s just draining out. I am so miserable, I haven’t been sick like this in so long that I don’t know what type of medicine to get. I got cough meds but it didn’t do shit