From: Canadian clinical practice guidelines for acute and chronic rhinosinusitis
Major Symptom
C
Facial C ongestion/fullness
P
Facial P ain/pressure/fullness
O
Nasal O bstruction/blockage
D
Purulent anterior/posterior nasal D rainage (discharge may be nonpurulent, nondiscolored)
S
Hyposmia/anosmia (S mell) [9, 21, 136].