Antimicrobials
Doxycycline

Doxycycline

Low
Excellent
PO: $-$$

General Information

  • Cutaneous Abscesses, Furuncles, Carbuncles, and Boils (with or without cellulitis):

    • If there are risk factors for MRSA* or failed 1st-line outpatient treatment despite adequate adherence
    • PO: Doxycycline (if ≥ 8 yrs old)
  • Use Clindamycin or Doxycycline if Group A strep is strongly suspected despite the failure of 1st-line treatment

  • Tick Bites:

    • Oral: Doxycycline (≥8 yrs)

ODB Funded (tablet)

  • GI upset and erosive esophagitis
  • Photosensitivity rash
  • Teeth staining

With long-term use, monitor BUN, hematologic, and hepatic function tests; observe for changes in bowel frequency

  • May be given with food
  • Food decreases GI side effects; take with a glass of water to avoid esophageal ulceration; avoid concomitant use of antacids or drugs containing aluminum, calcium, magnesium or iron
  • Not recommended for children less than 8 years old, with exception for circumstances when benefits outweigh risks
  • Intravenous doxycycline is not marketed in Canada; may be available through the Special Access Program (SAP)