Itchy stretch marks on the stomach may be due to dry skin, skin allergies or pregnancy itchy rash caused, it is recommended that the patient under the guidance of a doctor to clarify the specific causes of the disease and then symptomatic treatment. 1. Dry skin: with the growth of stretch marks, will cause the skin’s elastic fiber fracture, thus causing the skin’s sebaceous membrane damage can not play a good water lock function, thus causing dry skin and itching. 2. Skin allergy: if the patient is allergic to the part of the stomach stretch marks, then it may also cause itching. 3. pregnancy itchy rash: pregnancy itchy rash is a common itchy skin disease during pregnancy, usually occurs in the middle of pregnancy, patients can appear abdominal stretch marks itching. For patients with itchy stretch marks on the stomach, you can clean the skin locally and try to moisturize, if the symptoms are not relieved, it is recommended to go to a regular hospital in a timely manner, under the guidance of a professional doctor for symptomatic treatment.