Caused by Candida Albicans, Thrush is a yeast fungal infection occuring inside the mouth or throat. Neem extracts are among the most powerful anti-fungal plant extracts. Drink a Neem tea or take a Neem leaf extract to help promote healing and reduce pain and inflammation. Children under 12 should not ingest Neem tea or leaf extract. Apply a Neem lotion, Neem cream, or Neem salve to any redness appearing around the mouth.