Yoghurt
Yoghurt contains bacterial culture media that can actually assist in digestion despite some lactose. However, you should keep a clear watch to estimate proportion of these items in your meal.
It is absolutely essential to avoid milk to prevent lactose intolerance. However, fermented milk products like cheese and yoghurt contain lactic acid and not lactose. Lactic acid has no similar indications lactose intolerance and for a lot of patients it is safe to consume cheese and yoghurt.