Cold flashes and hot flashes without fever are commonly caused by autonomic dysfunction, but the possibility of infection cannot be ruled out.
During perimenopause, estrogen secretion decreases, leading to hormone level disorders, which can lead to bouts of hot flashes, chills, and fatigue. Oral medication such as ghrelin can be prescribed to improve symptoms.
People who often stay up late, drink alcohol, strong tea, irregular work and rest are prone to autonomic nervous system dysfunction, and may experience symptoms such as hot and cold, panic and fatigue, and irritability.
The presence of bacteria or certain specific infections can also appear hot and cold manifestations, body temperature does not necessarily rise in the initial period, if accompanied by fatigue, muscle aches and pains and other symptoms, need to be vigilant.
These are only some of the common causes. If symptoms persist or recur, consult a doctor. After a clear diagnosis, follow the doctor’s instructions to standardize the treatment. The use of drugs must follow the doctor’s advice, not blindly use their own drugs, so as not to cause adverse consequences.