noun
gastritis
Medical term for inflammation of the stomach lining. The older term 'gastric catarrh' is now rare in English.
胃炎の症状には胃の痛みや吐き気があります。
Symptoms of gastritis include stomach pain and nausea.
医者に慢性胃炎と診断されました。
I was diagnosed with chronic gastritis by the doctor.