Anti-Infectives: Cases Flashcards
anterior blepharitis is primarily caused by
hypersensitivity to staph exotoxins or overgrowth
how do you treat a mild blepharitis?
lid hygiene is sufficient
how do you treat moderate blepharitis?
lid hygiene with lid scrubs or wipes
how do you treat moderate-severe blepharitis?
use an antibiotic ointment (eg, erythromycin) to remove the bacteria & level the exotoxin production
how do you treat severe blepharitis?
use an antibiotic-steroid combination
Maxitrol, TobraDex, Blepharide
posterior blepharitis is also known as?
meibomian gland dysfunction
external & internal hordeolums are most often caused by what organism? how would you treat it?
staphylococci (G+) → oral ABX (cell wall inhibitors: amoxicillin, cephalexin)
internal hordeolums are caused by infection of what?
meibomian glands
external hordeolums are caused by infection of what?
glands of Zeis
preseptal cellulitis is more often caused by? & give some examples
more often G+
- S. aureus
- group A strep pyogenes
- β-hemolytic strep
what are some secondary respiratory organisms that can cause preseptal cellulitis?
- S. aureus
- strep pneumonia
- H. influenzae
when anaerobic organisms cause preseptal cellulitis, it will have what kind of discharge? what would you use to treat it?
foul-smelling discharge → use penicillins
for moderate-severe cases of preseptal cellulitis, what antibiotic can you treat it with?
Augmentin
orbital or preseptal cellulitis?
visual acuity is reduced
orbital cellulitis
orbital or preseptal cellulitis?
proptosis present
orbital
