Doxycycline (Vibra Tab, Vibramycin); Antibacterial, Tetracycline; Cap: 20, 50, 100 mg
Inj: 100, 200 mg
Syr per 5 mL: 25, 50 mg
Tab: 50, 100 mg; >8 yrs: 2-4 mg/kg/day IV/PO bid (max 200 mg/day)
Anthrax Post-exposure Prophylaxis:
<45 kg: 4.4 mg/kg/day PO bid x 60 days
>8 yrs
AND > 45 kg: 100 mg PO bid x 60 days
Use of tetracyclines in childhood (<8 yrs of age) may cause permanent dental discoloration and enamel hypoplasia. Take on an empty stomach (1 hour
before or 2 hours after meals); do not give with dairy products or antacids