my advice:
1. for unclogging a stuffed nose etc. AFRIN is the trick. BEWARE: it cannot be used for more then 3 consecutive days. though it is usual effective before that.
2. Sinus rinse from the mcneil company is a disgusting lifesaver. it washes out the sinuses and takes out all the dirt to relieve stuffed nose and headaches.
3. Sauna, steam bath, and maybe some amoxcillin