61 results
Typical therapeutic applications of Tetracyclines (Doxycycline)
Gram (+) cocci: Staphylococcus aureus (including methicillin-resistant strains), Streptococcus pneumoniae
Gram (+)
Tetracyclines (Doxycycline ... tetani Spirochetes: Borrelia ... Tetracyclines #Doxycycline
Doxycycline - Coverage and Indications
 • Staphylococci (S aureus + CoNS)
 • The tick stuff: Borrelia
Doxycycline - Coverage ... The tick stuff: Borrelia ... PrathitKulkarni #Doxycycline
Lyme Disease Pearls

Epidemiology: Ixodes scapularis carrying borrelia 
have spread and are now found in 
growing areas
scapularis carrying borrelia ... Treating with doxycycline
Outpatient Treatment of with Community-Acquired Pneumonia (CAP)
No comorbidities or risk factors for MRSA or Pseudomonas aeruginosa:
Amoxicillin or • doxycycline ... AND macrolide or doxycyclinex
Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical
Borrelia recurrentis ... BorreliaRecurrentis #Borrelia
Lyme Disease: Early and Late Stage Treatment
Stage 1. Localized
 • Doxycycline, amoxicillin, cefuroxime x 10-14d
Stage 2.
Localized • Doxycycline ... Isolated palsy: doxycycline ... 1st degree AVB: doxycycline ... • Arthritis: doxycycline
Tick Borne Illnesses
 • Lyme (Borrelia)
 • Babesiosis (Babesia)
 • Human Monocytic Ehrlichiosis (Ehrlichia)
 • Human
Illnesses • Lyme (Borrelia
Antibiotics for Atypical Bacteria 
 - Macrolides   (Azithromycin) 
 - Tetracyclines   (Doxycycline)
Tetracyclines (Doxycycline
Human Granulocytic Anaplasmosis vs Ehrlichiosis vs Babesiosis
Nonspecific febrile illness with severe headache and myalgia.
Diagnosis: NAAT, Blood
- Treatment: Doxycycline ... - Treatment: Doxycycline
Treatment of Syphilis
Early:
 • Penicillin G, 2.4 million units IM once OR
 • Doxycycline 100mg BID
IM once OR • Doxycycline ... 3 weeks OR • Doxycycline