Upper resp tract infection URTI Flashcards
URTI conditions
common cold tonsilitis sore throat laryngitis croup
Average length of sore throat
1 wk
Average length of acute pharyngitis
1 wk
Average length of acute tonsilitis
1 wk
Average length of common cold
1.5 wk
Average length of acute rhinosinositis
2.5 wk
Average length of acute cough/ bronchitis
3 wk
Causes of sore throat
rhinovirus Group A beta haemolytics influenza hsv epv
Centor criteria for dx of bacterial sore throat
tonsillar exudate
tendor anterior cervial nodes
absence of cough
hx of fever
centor criteria interpretation
if 3 or more, 40-60% chance of benefit from abx
FeverPAIN criteria
fever pus attends rapidly (<3 days) inflamed tonsils no cough/coryza
FeverPAIN criteria interpretation
0-1 no abx
2-3 delayed abx
4-5 immediate abx
Tonsillectomy
if 5 or more episodes per yr for at least 1 yr
Infectious mononucleosis
triad of
fever,
acute pharyngitis
and lymphadenopathy
Mx of infectious mononucleosis
hydration
avoid contact sport as half will develop splenomegaly
Penicillin with infectious mononucleosis
terrible rash
Influenza incubation
2 days
influenza course
10 days
influenza infectious period in adults
2-3 days
influenza infectious period in children
3-6 days
influenza epidemic
1 in 500 pts going to gp with influenza like sx in a wk
common complications of influenza
otitis media and bronchitis
pandemic
epidemic in multiple areas
Anti-virals for influenza
Neuraminidase inhibitors:
Oseltamavir (tamiflu)
Zanamavir (Relenza)
Oseltamavir course
PO 75mg BD 5/7
Zanamavir course
inhaled 5mg BD 5/7
Oseltamavir CI
pregnancy
Effect of Neuraminidase inhibitors
reduce the duration by 1-1.5 days if given in first 24hrs
CI to flu jab
egg allergy
guillian barre
prvs hypersensitivity to jab
Disadvantages of prescribing abx
SEs
anaphylaxis
c difficile
