Antimicrobials
Doxycycline

Doxycycline

Low
Excellent
$$$

Spectrum of Activity

Dosing

General Information

  • Skin and soft tissue infection

  • Community acquired pneumonia

  • Malaria prophylaxis

  • Zoonoses

  • MRSA infections (if susceptible)

  • GI upset and erosive esophagitis

  • Photosensitivity rash

  • Teeth staining

  • Divalent cations - decreased absorption

  • Increased digoxin levels

  • Increased INR with warfarin

  • Some anticonvulsants can decrease doxycycline levels

IV doxycycline is only available through Special Access Program.

Antimicrobial class: Tetracycline

Pregnancy category: D

Average serum half life: 18 hours

Biliary penetration: Therapeutic

CSF penetration: Poor

Lung penetration: Therapeutic

Urine penetration: Therapeutic