Diagnosis
To call sweating a diagnosis would be medically wrong. It is an accompanying symptom of many basic diseases, especially those related to heat balance and metabolism. Thus thyroid gland illnesses, cardiovascular diseases etc. It is also a reaction to various causes which activate the involuntary nervous system (here the sympathetic nervous system) and thus the sweat glands.
Associated symptoms
Basically, the accompanying symptoms are dependent on the underlying diseases or causes that cause the sweating to break out. Classical accompanying symptoms of sudden sweating without an underlying disease can be palpitations, cravings, centralization (the accumulation of blood in the middle of the body), trembling or nausea (for more details, see sub-sections). Dizziness paired with sweating and possibly trembling may be caused by hypoglycaemia.
Both diabetics and people who have just vomited can suffer from severe circulatory problems, which then manifest themselves mainly through cold sweat and dizziness. If there is an infection, e.g. of the upper respiratory tract, such as the sinuses, this can also lead to additional sweating and dizziness. But stress can also cause the symptoms in combination, especially in people who react very sensitively to stressful situations.
Sweating paired with dizziness and trembling also belongs to the (classic) shock symptoms. Shock can have various causes, e.g. the loss of a large amount of blood, a strong allergic reaction, e.g. to a wasp sting, or a psychogenic state of arousal.
What they all have in common is that the blood pressure drops, the blood is redistributed to the center of the body, the sweat glands are activated, hands and feet become cold. These and other processes lead to the symptoms mentioned above. Sudden outbreaks of sweating in combination with nausea and/or palpitations can be an indication of a heart attack or a narrowing of the coronary arteries.
The coronary vessels supply the heart muscle with blood and, if narrowed, can lead to chest pain, pain in the upper abdomen and reduced performance. Sweating occurs especially under stress, often combined with nausea, radiating pain in the upper abdomen, arms, lower jaw and palpitations. The reason for this is the stimulation of the involuntary nervous system (sympathetic nervous system) to compensate for the deficits caused by a narrowed coronary artery. Keyword – undersupply of blood to the muscle and thus reduced oxygenation. As the system not only has a local influence on the heart and vessels, but also innervates the sweat glands, the symptoms occur together.
