Skin discoloration warns many dangerous diseases

Black patches and rash appear in the nape, maybe you have diabetes or signs of stomach cancer, liver.

In general, some abnormalities of the body can be detected through changes in the skin. Japan's Peachy page synthesizes a sign of systemic disease identification through skin pigmentation changes as follows:

The skin behind the neck is also a sign of stomach or liver cancer.(Artwork: Health Sina).

Skin rashes : People with fewer skin allergies who suddenly develop a rash on the skin may be caused by colds, joint pain, and heart disease. Sometimes taking drugs is not the right way to cause allergies. When you have this condition, see your treating doctor as soon as possible.

The skin behind the neck is black : Usually the neck is not black. If you suddenly find the back of your neck black and rash, you may have diabetes. In addition, this is also a sign of stomach or liver cancer.

Purple eczema: If a purple eczema is detected under your feet, you may have hepatitis C. Seeing that the eczema has not faded should go to the hospital as soon as possible.

Blue skin : If you see blue skin, it may be a sign of diabetes.

The lower half of the face and chin appear acne : Women appear acne in the lower half of the face, chin, may be due to abnormalities of the ovaries.