A hot flash is a sudden feeling of warmth in the upper body. It most often affects the face, neck and chest. A hot flash also can cause sweating. Some people might feel chilled after a hot flash because of loss of body heat.
Besides hot weather and strenuous activity, other causes of heat exhaustion include: Dehydration, which lessens your body's ability to sweat and keep a normal .
If excessive sweating has no underlying medical cause, it's called primary hyperhidrosis. It happens when excess sweating is not triggered by a rise in temperature or physical activity. Primary hyperhidrosis may be at least partly hereditary. If the excess sweating is due to an underlying medical condition, it's called secondary hyperhidrosis.
Hot and spicy foods and drinks with caffeine and alcohol can cause hot flashes. Practice mind-body therapies. Some people get relief from mild hot flashes through meditation; .
Your healthcare professional checks the lump or nodule in your neck to rule out cancer and to make sure your thyroid is working as it should. Tests might include:. Thyroid function tests. These tests measure blood levels of thyroid-stimulating hormone TSH and hormones your thyroid gland makes.
Hot flashes may affect daily activities and quality of life. Nighttime hot flashes, also called night sweats, can wake you from sleep. Over time, this can cause long-term sleep loss. .
Bupropion is used to treat major depressive disorder MDD and to prevent seasonal affective disorder SAD , which is sometimes called autumn-winter seasonal depression. It is also used as part of a support program to help people stop smoking. Bupropion is sold under different brand names. If you are already taking medicine for depression or to help you stop smoking, discuss this with your doctor before taking bupropion.