The term vegan generally refers to individuals who share a philosophy and lifestyle as well as a restricted diet. It can be a slight case such as a headaches or a rash to a certain product to some causing severe reactions, including death. If you are given information a guest has a food allergies to a product make sure you consider all the ingredients used in the meal being served. Read the ingredients on the packet of any products used in the guests meal. Do not ever think that little bit should not matter .
Lactose intolerance is the inability to properly digest milk sugar, also known as lactose.
Symptoms of lactose intolerance include abdominal bloating, gaseousness, flatulence, cramping, and diarrhoea following the consumption of food containing dairy products or by-products. Milk protein allergy is an allergic reaction to proteins commonly found in cows milk. It is caused by your immune system reacting because it believes the protein in the milk is a threat to your body. Your immune system will do it's best to get rid of the invader, just as it would a foreign virus or poison. During the allergic reaction your body releases histamine, a chemical which causes blood vessels to dilate and leak, mucous membranes to start producing skin rashes, vomiting and other effects.