Abdominal left side dull ache is what reason causes

There are many reasons for dull pain on the left side of the abdomen. First, if the diet is unreasonable recently, often eating raw, cold, spicy and other irritating foods, or the food is not clean, causing gastroenteritis and other diseases, the symptoms will appear. Secondly, if the symptoms appear, it will also cause pain in the lower part of the left abdomen.