In others, menses become quite erratic before they finally cease. Hot flashes are a feeling of warmth that comes on suddenly and usually lasts a few minutes. It usually is accompanied by excessive perspiration. Sometimes, a woman may experience transient redness of the skin, especially of the face and neck area. When a woman over the age of 40 experiences these symptoms, usually she is experiencing estrogen deficiency due to ovarian failure, also known as menopause.
Hot flashes can be quite discomforting and can interfere with usual daily activities.
Insomnia due to interrupted sleep is a major problem. Fights over controlling the thermostat in the house are quite common. Frequent hot flashes at night can lead to insomnia and daytime tiredness. Mood swings are a frequent symptom. Usually a woman becomes irritable for no obvious reason.