what can a deviated septum cause
A deviated septum may cause one or more of the following: 1  Blockage of one or both nostrils. 2  Nasal congestion, sometimes one-sided. 3  Frequent nosebleeds.  Frequent sinus 1  infections. At times, facial pain, headaches, postnasal drip.  Noisy breathing during sleep (in infants and young children)