12
Management
KAS
1
KAS
1
KAS
1
KAS
6
Prescribe amoxicillin, with or
without clavulanate for 5–7 days
Manage complication
Recommend
symptomatic
relief for ABRS
Change the
prescribed antibiotic
Offer
watchful
waiting
a
Viral upper respiratory
infection (URI)
YES
YES
YES
YES
YES
Meets
criteria
for ARS?
Meets
criteria
for ABRS?
Complication
suspected?
Treatment
failure?
b
Confirm
DX?
Complication
presented?
Complication
presented?
Improvement?
NO
NO
NO
NO
NO
NO
NO
NO
Clinician judgment as to whether patient
should be managed more like ARS or CRS
If penicillin allergy, prescribe doxycycline or a
third generation cephalosporin w/wo clindamycin
DURATION:
>4 WEEKS and
<12 WEEKS
DURATION: <4 WEEKS
KAS 5
KAS 3
KAS 6
KAS 4
KAS 1B
KAS 2
KAS 2
Adult with
possible sinusitis
"Subacute" sinusitis
excluded from guideline
Obtain
radiological
imaging
Manage complications
and ABRS
Management
complete
Management
complete
Continue to
assess for
improvement
Treat correct
diagnosis
Do not obtain
radiological
imaging
May
recommend
symptom
relief for VRS
Figure 5. Adult With Possible Rhinosinusitis
YES
YES
YES
ABRS
