Im having cold flashes, ill be freezing for a minute or two then it will go away. My house is nice and warm right now but im Freezing. Im all bundled up. Plus, my scalp hurts but just the top by where my soft spot is, and i have a swollen spot under my chin on the left side of my face, and it all happend last night after dinner. When i woke up i was covered in sweat and i was freezing????? Any idea what this is?