Ulcers occur when the stomach's natural acids eat into the lining of the stomach.
胃酸腐蚀胃壁时，就出现了溃疡。
《柯林斯英汉双解大词典》
2
This may cause stomach upset, ulcers, headache, backache, high blood pressure, and in severe cases, this can lead to panic attacks or a panic disorder.
这可能会引起胃部不适、溃疡、头痛、背痛、高血压，甚至在严重的情况下，这可能导致惊恐发作或惊恐障碍。
3
In addition to headaches, you may develop stomachulcers as well.