DRUG CLASS AND MECHANISM: Diphenhydramine is an antihistamine used for treating allergic reactions. Histamine is released by the body during several types of allergic reactions and--to a lesser extent--during some viral infections, such as the common cold.
Symptoms Symptoms of lactose intolerance. The symptoms of lactose intolerance can occur after youâve eaten or drunk something that contains lactose. Symptoms of lactose intolerance may include: 1  feeling bloated. 2  pain or cramps in your tummy (abdomen). 3  diarrhoea. 4  wind. 5  feeling sick.
A gluten sensitivity and lactose intolerance have very similar symptoms and can be hard to distinguish from one another. They both may cause gas, bloating, stomach pain, nausea and diarrhea after the consumption of a food containing them.Lactose intolerance affects many people, around 65% of the population, and is not an actual allergy. It's the inability of your body to digest lactose, the sugar found in dairy products.A gluten sensitivity, not to be confused with celiac disease, causes very similar symptoms to lactose intolerance. Side effects of either are uncomfortable and can be frustrating to live with.Changing your diet and modifying your food choices long term can help minimize or prevent symptoms from returning.hey both may cause gas, bloating, stomach pain, nausea and diarrhea after the consumption of a food containing them. Lactose intolerance affects many people, around 65% of the population, and is not an actual allergy. It's the inability of your body to digest lactose, the sugar found in dairy products.