Refer to the pharmacist anyone who presents with the following symptoms:
- Toothache that persists for more than a day or two
- Pain when eating or biting on certain foods
- Swelling in the mouth
- Pus around a tooth or a foul-tasting discharge in the mouth
- Fever
- Trouble breathing or swallowing
- Persistent bad breath that does not improve with good oral hygiene measures
- Mouth ulcers that recur frequently or symptoms that have lasted for longer than three weeks.