Why does one have a fever with a hot upper body and cold lower body?
Apr 06, 2023
Source: Cainiu Health
Dr. Yang Shuwen
Introduction
Fever refers to an elevated body temperature. Feeling hot in the upper body while the lower body remains cold is a common symptom that may result from metabolic disturbances, imbalances in nervous system regulation, blood vessel dilation, or other factors, and requires symptomatic treatment. Additionally, it could be caused by conditions such as the common cold, influenza, or pneumonia. Patients are advised to drink plenty of water, get adequate rest, and avoid consuming spicy or irritating foods.
Fever refers to an elevated body temperature. Feeling hot in the upper body while the lower body feels cold is a common symptom that may result from metabolic disturbances, nervous system imbalance, or blood vessel dilation, and requires symptomatic treatment.
1. Metabolic Disturbance
During fever, the body's metabolism accelerates, causing increased temperature in the upper body, while metabolism slows down in the lower body, leading to a cold sensation in the lower extremities. It is recommended to maintain a light diet and consume foods rich in vitamins and protein, such as soy products and milk.
2. Nervous System Imbalance
Fever can affect the body's nervous system, causing regulatory imbalances that lead to differing temperature sensations between the upper and lower body. Wiping the body with a wet towel can effectively help alleviate fever symptoms.
3. Blood Vessel Dilation
When the body has a fever, blood vessels dilate, increasing blood circulation in the upper body and raising its temperature, while blood vessels in the lower body constrict, slowing circulation and causing the lower body to feel cold. Under medical guidance, medications such as ibuprofen sustained-release capsules or acetaminophen tablets may be taken for treatment.
In addition, this condition may also be caused by illnesses such as the common cold, influenza, or pneumonia. Patients are advised to drink plenty of water, get adequate rest, and avoid spicy or irritating foods.
