Aphthous ulcer

1. How it looks:

    1. single ulcer

    2. superficial

    3. peripheral redness

2. DDx:

    1. herpes zoster

    2. Trauma

    3. Iron, folate, B12 deficiency

    4. poor hygiene

3. Cocktail tds for 2 minutes mouth washing then spit out

    1. Elixir diphenhydramine 12.5mg/5cc #1

    2. Cap tetracycline 250 mg #8

        1. or cap cefalexin 500 mg #8

    3. Amp lidocaine 2% 1cc #1

    4. Amp dexamethasone 1cc #1

4. Oral/gingival infections:

    1. Tab Penicillin 800 mg qd for 4 days

    2. or Metronidazole + azithromycin tds