Cetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes /nose, sneezing, hives, and itching. It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction.
Gas-Producing Foods: Milk and Dairy Products. Milk and other dairy products contain a sugar called lactose, which can be difficult for your digestive tract to process if your body doesnât have enough of the enzyme lactase. Cheese, ice cream, and milk all contain lactose, and may cause excessive gas in people.
1 Avoid eating a lot of soluble fiber as this type of food causes much gas. 2  Starch Foods-Starchy foods such as potatoes and pasta are also to be avoided. 3  Sugary Foods-not all foods that contain sugar will give you gas. 4  But! 5  The most common sugars that cause gas are fructose, lactose, raffinose, and sorbitol.