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.
A Honor Society of Nursing (STTI) answered. There are some medications that can cause bloating. Bloating is an enlarged abdomen caused by excess gas. A few medications contain sugars that some people cannot completely digest, which can cause excess gas and bloating. Other medications include ingredients that stop the enzymes in your body from digesting your food. Talk to your doctor about switching medications if you are taking any that are causing bloating.