Doxycycline

Oral Bioavailability

Excellent

Approximate Cost

Spectrum Of Activity

Dosing

100mg IV/PO q12h

General Information

Acceptable Uses

Vibramycin

Adverse Effects

  • Photosensitivity

  • GI upset

  • Teeth staining (<8 years of age)

Rare

  • Esophageal ulceration

Major Interactions

Avoid taking with divalent cations if possible.

Oral Liquids

25mg/5mL suspension

Tablet/Capsule Strengths

  • 50mg tablet/capsule

  • 75mg tablet/capsule

  • 100mg tablet/capsule

  • 150mg tablet/capsule

Pharmacology

Pharmacology: Inhibits protein synthesis

Antimicrobial class: Tetracycline

Pregnancy category: D

Average serum half life: 18 hours

Urine penetration: Poor

CSF penetration: Poor