Milk intolerance refers to the inability of the body to digest lactose, a sugar found in milk and milk products. There are various synonyms to refer to this condition. One common synonym is lactose intolerance, which is more commonly used in medical circles. Other synonyms include dairy intolerance, lactase deficiency, and milk sensitivity. People with this condition may experience symptoms such as bloating, stomach cramps, diarrhea, and nausea after consuming dairy products. Individuals with milk intolerance can still enjoy other non-dairy sources of calcium, including soy milk, almond milk, and dark leafy greens. A proper diagnosis and consultation with a healthcare professional is recommended for those experiencing symptoms of milk intolerance.