“Tight clothing, such as Spanx, on the abdomen can increase intra-abdominal pressure to the point that one can experience acid reflux from acid being pushed from the stomach into the lower esophagus,” says Downes.
Can a tight bra cause digestive problems?
A tight bra can cause indigestion; it can obstruct the flow of the digestive system. If the bra does not fit correctly, and the underband chokes the back, it can increase the risk of back pain.
Can a bra irritate a hiatal hernia?
While they may offer added support and lift, wearing bras with underwires for longer periods might hurt your ribs and breast when you have hiatal hernia. They can also lead to an increased risk of other skin problems like skin irritation and infection, cuts from exposed wires, and contact dermatitis.
Can sports bras cause acid reflux?
Elastic waistbands, snug-fitting tops and restrictive shapewear can place unnecessary pressure on the midsection and encourage stomach acid to escape through the lower esophageal sphincter.

