Some ways to relieve stomach gas are by using home remedies, such as herbal teas and fennel seeds. There also are many OTC products that can help with gas symptoms, including Pepto-Bismol, lactase enzyme, simethicone and activated charcoal, Brigham and Women's Hospital.
Abdominal gas is caused by factors that can include swallowing air and eating gas-producing foods like beans, cabbage and broccoli, notes WebMD. Abdominal gas can lead to belching, flatulence, bloating and abdominal pain.
Peppermint and chamomile tea are simple home remedies that may be useful for gas relieve. Another remedy can be to chew on some fennel seeds, especially if the stomach feel distended after a meal, recommends Dr. Weil.