Bites (Antimicrobial)
DO NOT SUTURE BITE WOUNDS
Antibiotic prophylaxis is advised if:
- skin is broken and drawn blood
- OR if skin is broken and age over 50 years, cat bite/puncture wound, bite to hand, foot, face, joint, tendon, ligament
- immunocompromised /diabetic / asplenic /cirrhotic /presence of prosthetic valve or prosthetic joint.
Assess:
- rabies risk (animal bite)
- risk of blood borne virus transmission (human or primate bite).
Consider:
- hepatitis B vaccination.
If clinically infected:
- send pus or deep swab for culture before cleaning.
Drug details
Prophylaxis or treatment
Co-amoxiclav 625mg three times daily
Prophylaxis: 3 days
Treatment: 5 days
In penicillin allergy
Doxycycline 100mg twice daily PLUS metronidazole 400mg three times daily
Prophylaxis: 3 days
Treatment: 5 days
If doxycycline unsuitable
Co-trimoxazole 960mg twice daily PLUS metronidazole 400mg three times daily
Prophylaxis: 3 days
Treatment: 5 days