 [ Symptoms ] many times after eating and resuming physical work i experience general weakness shaking excessive cold sweating even though i have just eaten i also get very hungry especially for something sweet [ Disease ] it could be your blood sugar and or a combination including your blood pressure and cholesterol too  i have diabetic atomic neuropathy i started sweating very hot then became cold blood work is essential the doctor suggested i start eating five small meals a day taking iron daily vitamins and krill oil