Symptoms of seborrheic dermatitis on the back

summary

Seborrheic dermatitis is common in life, and the incidence rate is relatively high. But in life, many people don't know about the symptoms of seborrheic dermatitis, so that they don't know about the disease. As a result, they can't be treated in time, which increases the difficulty of treatment. Therefore, it is necessary for us to understand the symptoms of seborrheic dermatitis.

Symptoms of seborrheic dermatitis on the back

Experts show that, first of all, erythema is a distinctive feature of seborrheic dermatitis. If you touch the edge of erythema with your hand, it will present a soft and hard feeling. Usually, the patient does not feel itchy. The shape of this rash is similar to other allergic skin diseases on the face, such as cosmetic dermatitis caused by cosmetic allergy. However, although the rash of cosmetic dermatitis also has photosensitivity, the erythema usually does not involve the bridge of the nose, contacts the edge of the erythema, has no soft or hard feeling, and patients with cosmetic dermatitis have significant itching.

  secondly, seborrheic dermatitis pre manifestation is not significant, and the onset is more insidious, the first manifestation of most patients is a bright red face rash, the scale is limited to both sides of the cheek, bridge of the nose, edge clear, rash shape like a butterfly, commonly known as butterfly erythema. This kind of skin rash also has the photosensitivity manifestation, after the outdoor sunlight exposure, the skin rash color deepens, the edema intensifies.

  it should also be noted that the early manifestation of seborrheic dermatitis is also manifested by chilblain like skin disease, which is mainly reflected in the patient's hands. On the back of both hands, there are edema erythema of different sizes and irregular shapes, which are symmetrically distributed. Usually, there is no decay, no itching, and burning pain. It is called erythema multiforme. This kind of rash is not affected by the season, and exists all year round. Frostbite often occurs in winter, often rotting and itching.

matters needing attention

Pay attention to diet, because the occurrence of seborrheic dermatitis is related to digestive dysfunction, and too much sugar and fat food. Therefore, patients should not drink alcohol, eat less spicy, fish and shrimp seafood, beef and mutton, dog and donkey meat and other stimulating and greasy food, eat more vegetables and fruits, drink more water.