Causes of excessive sweating

Types of hyperhidrosis

Hyperhidrosis can be local and generalized. With local hyperhidrosis, excessive sweating appears on a specific area of ​​the body. Generalized hyperhidrosis is a general increase in sweating, the causes of which are any pathology. In turn, local hyperhidrosis is divided into facial, axillary, palmar, and plantar. In each case, its causes are different.
Most often it appears between the ages of 15 and 30, women are more prone to illness than men. The most common is hyperhidrosis of the extremities, one of its causes may be increased function of sweat glands. It can also be caused by an abnormal reaction of the body to normal stimuli (heat exposure, exercise, emotions). A similar reaction is often observed in a stressful situation, during a nervous tension.

Causes of hyperhidrosis

Facial hyperhidrosis is often associated with food intake.In this case, the reason for sweating is the use of certain types of products (coffee, tea, cocoa, hot drinks, spicy dishes, alcohol). The process of sweating develops a few minutes after the start of a meal. The cause of sweating in the facial area can be von Frey syndrome, which develops after surgery on the salivary gland, after serious diseases of the salivary gland. It can also appear in newborns due to damage to the facial nerve due to birth injury. Local hyperhidrosis can be observed with neurological diseases (for example, Parkinson's disease, stroke).
Generalized hyperhidrosis is often caused by endocrine diseases (thyrotoxicosis, acromegaly, carcinoid syndrome, pheochromocytoma, menopausal syndrome, hypoglycemia, diabetes). In these diseases, increased sweating is a symptom and is not always manifested. Increased sweating is characteristic of almost all acute or chronic infectious diseases. The cause of hyperhidrosis in these cases is “endogenous pyrogen”. It appears in the body as a result of the interaction of immunity with substances that cause fever.Most often, excessive sweating is observed in tuberculosis, malaria, septicemia and brucellosis. Nighttime hyperhidrosis is one of the symptoms of Hodgkin's disease - quite common in people over the age of 40 years. Pathology is also accompanied by fever and periodic decreases in body temperature.

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