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.
Photo Credit bchiku/iStock/Getty Images. Digestive complaints such as bloating and painful gas may be the result of medical conditions, as well as a poor diet and inactive lifestyle. Although everybody reacts differently to different foods, sugar is a frequent trigger for stomach bloat and flatulence.