Diagnosed with oral thrust do not take antibiotics, not hiv, and take probiotics regularly. how did i contract this?

Oral thrush: Oral thrush is caused by candida albicans which is a fungus.Some common factors are smoking, pregnancy and systemic illnesses. . Stop smoking (if you are), change your diet to drastically reduce carbohydrates,avoid white breads, potatoes, rice. Avoid high fructose foods.Eat lots of green/yellow/red vegetables. Try this approach before meds. Rinse mouth with a diluted 3% hydrogen peroxide.