A bloated stomach is that uncomfortable feeling of tightness, fullness, or pressure in the belly, sometimes even painful. It may or may not come with visible swelling. For some, it’s an occasional nuisance. For others, it keeps coming back. Either way, it’s the body’s way of saying something isn’t quite right.

The most common cause? Gas. This gas builds up in the intestines, often due to digestion problems. Eating too fast, overeating, or having food intolerances (like lactose or gluten) can lead to poor digestion and excess fermentation by gut bacteria, causing bloating. Some people also experience bloating as part of conditions like IBS or small intestinal bacterial overgrowth (SIBO).

Digestive content can also back up, especially with constipation or blockages, making the abdomen feel stretched and tight. Slow-moving digestion, known as motility disorders, can make things worse.

Hormones, particularly in women, also play a big role. Estrogen and progesterone affect how the digestive system moves and how much water the body retains, making bloating a regular issue before or during periods or menopause.

While occasional bloating is common and often harmless, persistent or severe bloating may point to something more serious, like gastritis, pancreatic issues, liver disease, or even cancer.

In short, if bloating becomes frequent, painful, or comes with other symptoms like vomiting, fever, or sudden weight changes, it’s time to speak to a doctor. Listening to the body and spotting these signs early can make a big difference in getting the right care.