皮肤瘙痒为何盯上糖尿病调查发现,糖尿病患者瘙痒症的患病率明显高于正常人,且随着患者年龄、糖尿病病程的增加而患病率升高,糖尿病视网膜病变、周围神经病变在瘙痒人群中明显增多。而目前糖尿病皮肤瘙痒的机制尚未有定论,外周自主神经受损致排汗异常(无汗、少汗),使角质层含水量减少,会导致皮肤瘙痒;另一方面,长期高血糖及渗透性利尿使皮肤处于脱水状态,也可使皮肤干燥。皮肤干燥导致其屏障功能下降,从而使瘙痒的阈值降低, Why skin itching stare Diabetes survey found that the prevalence of pruritus in diabetic patients was significantly higher than normal, and with the age of patients, the prevalence of diabetes increased the prevalence rate, diabetic retinopathy, peripheral neuropathy in the itch population In a significant increase. At present, the mechanism of pruritus in diabetic skin has not yet been elucidated. Abnormal autonomic nerves in the periphery lead to abnormal perspiration (sweat-less and sweat-less), which reduces the water content in the stratum corneum and causes itchy skin. On the other hand, long-term hyperglycemia and permeability Diuretic skin dehydration, but also make the skin dry. Dry skin leads to a decline in its barrier function, thereby reducing the threshold for pruritus,