There are red spots on the body, which may be viral infection, allergic diseases, hemangioma, skin tumor and so on. Some viral infections can cause a lot of little red dot to suddenly appear on the skin, such as children's rashes, chickenpox, rubella and measles. There seems to be red spots on my body, but sometimes there can be small blisters in the middle of the red spots.

What is the red blood spot on the body skin?

Red blood spots on the skin may be caused by some diseases, such as acute leukemia, allergic diseases, purpura, genetic diseases, spider nevus and so on. It may also be caused by skin aging or other factors.

Acute leukemia. Leukemia will affect the hematopoietic function of the blood system. Platelets in blood can stop bleeding, coagulate blood and protect capillaries. If the patient's platelets decrease, it will lead to skin bleeding and blood spots.

Allergic diseases. The skin is stimulated by allergens, including diet, environment, drugs and other factors, which will cause congestive red papules on the skin.

Purpura. This disease is due to the decrease of blood vessel wall compactness, the increase of permeability, and the easy infiltration of blood out of blood vessels to form irreversible erythema.

Spider nevus is stimulated by drugs and alcohol, so the function of the liver is weakened and the inactivation of estrogen is reduced. Finally, the skin appears spider nevus, that is, red blood spots, which is an important symptom of liver cirrhosis.

Other cutaneous hemangiomas can also appear as red blood spots on the skin.

Little red dot on the skin.

First, allergies. When people come into contact with or eat some allergens, they may have symptoms such as erythema and itchy skin. If little red dot appears on the body due to allergies, just take anti-allergic drugs in time and stay away from allergens.

The second reason is cutaneous hemangioma. Some middle-aged and elderly people are often exposed to the sun, coupled with aging skin, there will be obvious little red dot. Little red dot caused by cutaneous hemangioma does not need special treatment, which is a normal condition of skin aging.

The third reason is eczema. Heavy body moisture or frequent exposure to humid environment may cause eczema. Eczema patients may have little red dot, accompanied by itching, blisters and other symptoms. If it is caused by eczema, it is enough for little red dot to apply ointment in time to treat eczema, and he can eat more dehumidified food at ordinary times.

There are too many possibilities to answer what the red dot is. If you don't see the rash with your own eyes, or the rash is not very typical, you can't give a definite diagnosis. If you have red spots on your body, see if it itches, itches or develops faster and heavier, or you are worried, go to the hospital to see a doctor. If it is not serious, it may fade naturally in a few days, or you can observe it for a few days first.

So there are many possibilities for red dots. Observe first. If you are in poor health or you are worried, you can go to the hospital to see a doctor or send photos to the doctor. If there is unexplained red blood spot bleeding in the body, pay attention to its development, see if there are other discomfort symptoms, and go to the hospital in time.