What causes redness and warmth in the hands?
Sep 13, 2022
Source: Cainiu Health
Dr. Liu Wan
Introduction
Redness and warmth in the hands are generally caused by either physiological or pathological factors. Such symptoms may result from high environmental temperature, blood vessel dilation, or the body's heat dissipation process, manifesting as hot and red palms. This is particularly noticeable after drinking alcohol, when blood vessels dilate significantly, blood circulation accelerates, and the palms become noticeably flushed and warm. Drinking plenty of water to promote urination can help rapidly reduce core body temperature.
Redness and warmth in the hands are generally caused by either physiological or pathological factors, as detailed below:
1. Physiological causes
Elevated environmental temperature, blood vessel dilation, and body heat dissipation can lead to warm, red palms. Especially after drinking alcohol, blood vessels dilate significantly and blood circulation accelerates, causing the palms to become flushed and hot. Drinking plenty of water to promote urination can rapidly lower core body temperature and relieve symptoms such as redness and warmth in the hands.
2. Pathological causes
Conditions such as upper limb trauma with plaster immobilization may impair venous blood return in the arm, leading to hand vein dilation and blood stasis, which increases skin temperature and causes redness. Heart diseases, such as heart failure, can also obstruct peripheral circulation, resulting in venous congestion and symptoms like redness and warmth in the palms. Treating the underlying condition and performing exercises to strengthen upper limb muscles can help alleviate these symptoms.
Maintain proper hand hygiene and monitor for possible association with dermatitis. If local itching occurs, antiallergic medications may be used for treatment. Also consider whether the symptoms are related to capillary dilation. When capillaries in the area dilate, redness and warmth occur easily; consuming more fresh fruits and vegetables to supplement vitamins can be beneficial.
