-Decongestant tablet like phenylephrine/psuedoephedrine (if you are not hypertensive and are not pregnant)
-Nasal decongestant drops like xylometazoline
-Antiallergic like Loratidine
,Ebastine(if not an in old age)
for 10 days
this is because of eustachian tube dysfunction(blockage) which connects middle part of ear to region behind your nose.(i think you know about it).