Dental infections

Refer to the Scottish Dental Formulary.

Scottish Dental Formulary

Treatment of dental abscess

Immediate drainage

Phenoxymethylpenicillin
Phenoxymethylpenicillin 250mg tablets

500mg every 6 hours for 5 days

Phenoxymethylpenicillin 250mg/5ml oral solution sugar free

500mg every 6 hours for 5 days

If penicillin allergic

Metronidazole
Metronidazole 200mg tablets

200mg three times a day for 5 days.

Prescribing Notes:

  • Antibiotics are only required if immediate drainage is not achieved with local measure or in case of spreading infection (swelling, cellulitis, lymph node involvement) or systemic involvement (fever, malaise.)
  • Please follow SDCEP guidance (Scottish Dental Clinical Effectiveness Programme) for the most up to date advice on drug treatment.

History Notes

06/10/2022

Removed doxycycline as 2nd line if penicillin allergic and replaced with metronidazole.

15/12/2021

East Region Formulary content agreed.

Treatment of acute necrotising ulcerative gingivitis (Vincent’s infection)
Hydrogen peroxide
Hydrogen peroxide 6% solution

Rinse or gargle with 15mL every 8-12 hours for 2-3 minutes, to be diluted in half a tumblerful of warm water.

History Notes

15/12/2021

East Region Formulary content agreed.