What can I expect on eating lactose if I am lactose intolerant?

After eating foods with lactose in them, you may feel sick to your stomach. You may also have cramps, bloating, gas, or diarrhea.

Some illnesses can cause these same problems. Your doctor can do tests to confirm if your problems are caused by lactose intolerance.

This answer is based on source information from National Institute of Diabetes and Digestive and Kidney Diseases.