How do you get rid of a stuffy nose at home?

Boil some water (enough as if you were boiling water for a pasta), throw in 5 or 6 leaves of eucalyptus and turn off the heat after 2 minutes. Put your face over (hover over it) the pot and throw a large towel over your head, still keeping your face away far enough from the pot not to get burnt! by the boiling hot pot Or the hot vapours. Inhale, exhale, until your sinuses are clear.

It's a temporary fix, do it a few times a day. You can get eucalyptus leaves from a herbalist,

if you can't, then buy eucalyptus oil from a regular chemist/pharmacy and put only a couple of drops in (it;s concentrated stuff) AFTER taking the pot off the stove and once the water has stopped bubbling (boiling).

Works wonders even if it needs some preparation.