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Genital ulcers

By Dr. Elise Merchant @EAMerchant via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx #Diagnosis
#STI
#ulcers #hsv #chancroid ... hducreyi #syphilis #chlamydia
Genital Ulcer - Differential Algorithm
Painful
 - H. ducreyi (Chancroid)
 - HSV
Painless
 - T pallidum (Chancre)
 -
- H. ducreyi (Chancroid ... Klebsiella - Chlaymydia
Chlamydia trachomatis - Infection of the Newborn
 • Newborns 3-16 weeks old 
 • Afebrile (appears
Chlamydia trachomatis ... 3 Pathologic Chlamydial ... organisms: - Chlamydia ... infected birds) #Chlamydia
Differential diagnosis of genital ulcers
Table Comparing HSV, Syphilis, Chancroid and LGV

#Diagnosis #Genital #Ulcers #Differential #Comparison #Table
HSV, Syphilis, Chancroid ... Comparison #Table #Chancroid
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Haemophilus ducreyi (chancroid
Typical therapeutic applications of Tetracyclines (Doxycycline)
Gram (+) cocci: Staphylococcus aureus (including methicillin-resistant strains), Streptococcus pneumoniae
Gram (+)
Mycoplasma pneumoniae Chlamydia ... : Chlamydia species
Community Acquired Pneumonia (CAP) - Microbiology
 • Typicals: Strep pneumoniae, H influenzae, Moraxella catarrhalis, Staph aureus,
Mycoplasma pneumoniae, Chlamydia ... pneumoniae, Chlamydia
Chlamydial Infections - CDC 2021 Treatment Guidelines
Recommended Regimen:
 • Adults and adolescents: doxycycline 100 mg orally
Chlamydial Infections ... for 14 days #Chlamydial ... #Chlamydia #Infections
Approach to urethritis and cervicitis

By Dr. Elise Merchant @EAMerchant via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases
Cervicitis #Gonorrhea #Chlamydia
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
Psittacosis Pathogen: Chlamydia ... #Psittacosis #Chlamydia