<unk> (spray) is a decongestant that is FDA approved for the treatment of nasal congestion due to the common cold, hay fever or other upper respiratory allergies.   Common adverse reactions include pain in eye, nasal congestion, nasal stinging/burning, sneezing.
Phenylephrine 
Methylergonovine 
Prazosin
Terazosin
Doxazosin
Trimazosin
Oxymetazoline
Tramazoline