
What illness causes alternating chills and fever with sweating?
Recently, my body has been acting strangely; at times I feel extremely cold and shiver, while at other times I feel unbearably hot and start sweating. This condition has persisted for some time and has seriously affected my life. I would like to know what illness is causing this. Why does my body alternate between feeling cold and hot with sweating?

Symptoms of alternating chills and heat accompanied by sweating, commonly referred to as "alternating cold and heat" or "hot flashes," are typically seen in the following situations:
1. Infectious diseases: such as upper respiratory tract infections, pneumonia, and tuberculosis. These diseases may affect the body's temperature-regulating center, leading to elevated body temperature and causing symptoms such as fever, fatigue, and sweating.
2. Endocrine disorders: such as hyperthyroidism. Excessive secretion of thyroid hormones leads to increased metabolic rate and heightened nervous system excitability, resulting in symptoms like palpitations, hand tremors, heat intolerance, and excessive sweating.
3. Autoimmune diseases: such as rheumatic fever and systemic lupus erythematosus. These conditions may cause dysfunction of the body's temperature-regulating center, leading to alternating chills and heat.
4. Neurological diseases: such as Parkinson's disease and multiple sclerosis, which may also affect the body's temperature regulation mechanism, causing alternating cold and heat sensations.
5. Medication side effects: certain medications, such as hormone therapies and antidepressants, may also cause abnormal temperature regulation.
If you experience symptoms of alternating chills and heat accompanied by sweating, it is recommended to seek medical examination immediately.