Peptic Ulcer Disease – TheTole Treatment & Herbal Approach Peptic Ulcer Disease (PUD) refers to open sores that develop on the inner lining of the stomach or the upper part of the small intestine. These ulcers are commonly caused by H. pylori infection, long-term NSAID use, stress, or acid imbalance and can lead to pain, bleeding, or digestive discomfort. Overview…