Infections from burns is most likely caused by which microbe?

s. pyogenes

What is the treatment for skin infections from s. pyogenes?

1st generation cephalosporin EX: cefadroxil PO

Infections from tick bites are likely cause by what bacteria?

borrelia burgdorferi

What microbe causes Blepharitis with corneal involvement?

staphylococcus

What type of abx would be used to treat blepharitis (a staphylococcus infection)?

Tetracyclines

ex. doxycycline PO x 1 month

What microbes are likely to cause conjunctivitis?

Staphylococcus and streptococcus

What kind of abx are used on conjunctivitis caused by staph and strep?

topical broad spectrums like polymyxin-trimethoprim ophthalmic drops for 7-10 days

What microbe is the likely cause of contact lens conjunctivitis?

pseudomonas

What abx is used to treat contact- lensconjunctivitis cause by pseudomonas?

Topical fluoroquinolone. Ex: besifloxacin opthalmic drops for 7-10 days.

What microbe is the likely cause of hordeolum (stye)?

s. aureus, MRSA.

What is the abx used for hordeolum caused by s. aureus, mrsa

topical broad spectrum abx. EX: bacitracin ointment for 5-7 days

Brain infections bacterial meningitis are likely caused by which microbes?

s. pneumoniae, n.meningitis

Which abx is used to treat bacterial meningitis?

3rd generation cephalosporin. Ex: cefotaxime and ampicillin IV until the causative agent is 

identified

Ear infections, otitis externa is likely caused by which microbes?

Staphylococcus or pseudomonas

Otitis externa is usual treated with what abx?

fluoroquinolones. EX: topical ciprofloxacin otic drops

Acute otitis media is likely caused by which bacteria?

streptococcus pneumonia

Acute otitis media is usually treated with which abx?

Broad spectrum penicillin or penicillin/ beta lactamase. EX: after observing for 3 days consider 

amoxicillin or amoxicillin/clavulanate for 10 days

Bacterial Pharyngitis is likely caused by which bacteria?

group A streptococcus

What abx class is used for bacterial pharyngitis cause by group A strep?

Broad spectrum penicillins. EX: amoxicillin PO x 10 days

Mastitis is likely cause by which bacteria?

S. aureus or streptococcus

Which abx are used for mastitis?

narrow spectrum penicillins. Ex: dicloxacillin PO for 10-14 days or cephalexin PO for 10-14 

days