Hot flushes are the quick and unexpected sensation of heat in the upper body. It typically travels up from the toes and shoots up to the abdomen, chest, back, and head. It makes the face, neck, upper arms, and torso, or the overall body to turn red. It can become quite severe if you don't know how to combat it. Hot flashes occur as a reaction to estrogen deficiency in the blood vessels of the skin.
These blood vessels are responsible for causing an elevated local blood flow. It is more the sudden drop in estrogen hormones rather than the loss of estrogen that creates hot flashes. Night sweats, on the other hand, are hot flushes that occur specifically at night. It may interrupt sleep, and as a result, it can even cause insomnia in some women depending upon the severity of the hot flushes. This situation may lead to fatigue and poor memory. Some of the symptoms of night sweats include being overheated at night, irregular heartbeat, irritation, nausea, chills, and headaches