I been having a stomach pain after eating also all my lower back. nausea , headach at night i sweat cold, i feel my throat dry i fel i have a extreme thirst and always everyday munching on ice and tired why?

You should be fully evaluated by your doctor. These symptoms could suggest iron deficiency anemia and testing can determine the cause of your symptoms.

The stomach pain after eating suggests Gastritis or even peptic ulcer. Fatigue and eating ice raises a question of Iron deficiency anemia. Dryness of throat and extreme thirst raises question of possibility of Diabetes.