Giaourtiophobia

Giaourtiophobia (pronounced "jour-tio-phobia", from Greek giaourtio, "yogurt") is the fear of.

Causes

 * The fact that yogurt contain lactose, which is intolerant to some people.
 * Learning that yogurt contain good bacteria.
 * Yogurt's liquid-like appearance.
 * The smell of yogurt.
 * The way it tastes.