ABX

Question 1

ABX choice for non purulent cellulitis with no systemic feature

Answer 1

Phenoxymethylpenecillin 500mg 6hrly for 5 days
Cephalexin 500mg qds for 5 days

Pen allergy; clindamycin 450mg po tds

Question 2

Oral abx for purulent cellulitis with no systemic feature

Answer 2

Flucloxacillin 500mg qds for 5 days
Cephalexin 500mg qds for 5 days

Pen allergy clindamycin 450mg po tds 5 day
Bactrim 160/800mg bd

Question 3

How does probenecid work

Answer 3

It reduced renal excretion of weak acids including abx beta lactamases and cephalosporins
Increasing time of maximal concentrations

Question 4

How does clavulonic acid work

Answer 4

Inactivates some beta lactamases to prevent destruction of amoxicillin. This helps tx more infection and prevent abx resistance

Question 5

ABX for aspiration pneumonia
Oral
IV
Pen allergy
Neuro impairment/ tracheostomy

Answer 5

Oral: augmentin
IV: agumentin
Pen allergy: clindamycin
Neuro impairment: pip tax