You do not take this stuff in the mouth. Just make a cream or douche or tampon with 2 or 3 drops in a tablespoon of yogurt and soak a tampon in it. Insert this as normal. Teatree oil is poisonous if ingested through the mouth. Used widely in Australia.
Naturopathic physicians recommend pure bromelain to reduce inflammation and swelling.
But did you know that pineapple contains bromelain an enzyme that helps break down protein. And we have pineapple in Belize. Drinking pineapple juice will help. Bromelain is most effective injected into swollen tissue. Caribbean Rum and Barcadies is famous for giving you Goma, the headache.