Thrush is a condition in which a type of yeast, Candida Albicans, grows out of control. It is a fungal infection and grows on moist areas of the body such as the mouth or genitals. Symptoms of thrush include itching, burning, soreness, a yeasty smelling discharge, swelling, and white spots in the mouth. Treatment options include antifungal medication, natural yoghurt, garlic, tea tree oil, and herbal remedies.