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Principles of diagnosis and treatment of skin diseases


The causes of skin diseases are extremely diverse and complex. The skin is constantly exposed to external influences, including infectious (bacteria, viruses, protozoa, fungi, etc.), which can cause anomalous changes in it.
On the other hand, the skin is closely connected with internal organs and therefore their disease can also cause a pathological process. In the development of skin lesions, individual predisposition, the degree of resistance of the organism, and social factors-the working and living conditions-are extremely important.
Examples of the direct effects of diseases of internal organs on the skin condition is its blanching with anemia, yellowing with hepatitis. The skin reflects various metabolic disorders: diabetes mellitus (furunculosis, skin itching), vitamin deficiency (discoloration).
The connection of skin rashes with violation of the function of endocrine glands is observed: myxedema: in persons with thyroid gland diseases, the appearance of acne during puberty. A variety of skin rashes often occur in patients with impaired hematopoiesis (leukemia, lymphogranulomatosis, lymphoma).
Chronic tonsillitis, sinusitis, carious teeth contribute to the development of urticaria, exudative erythema, psoriasis, lupus erythematosus and other dermatoses. There are also congenital skin diseases that occur either as a result of intrauterine infection (congenital syphilis) or genetically (hereditarily) caused.