Dose

Anaerobic infections (usually treated for 7 days):

• by mouth, either 800mg initially then 400mg 8-hourly or 500mg 8-hourly
• by rectum, 1g 8-hourly for 3 days, then 1g every 12 hours
• child: any route, 7.5mg/kg 8-hourly

Leg ulcers and pressure sores:

• by mouth, 400mg 8-hourly for 7 days

Bacterial vaginosis

• by mouth, 400-500mg twice daily for 7 days or 2g as a single dose

Acute ulcerative gingivitis:

• by mouth, 200-250 mg 8-hourly for 3 days
• child:
  • 1-3 years 50 mg 8-hourly for 3 days
  • 3-7 years 100 mg twice daily
  • 7-10 years 100 mg 8-hourly

Acute dental infections:

• by mouth, 200 mg 8-hourly for 7 days