What would make a person nausea and sick to their stomach everytime they eat?

Something to C MD: Pregnant? Other causes and symptoms - headache, visual, hearing, balance issues; abdominal complaints? Could be lots of GI causes, including infectious (if short term) ulcers, poor stomach emptying, tumors, cancer, pancreatic problems, less likely gallbladder/biliary problems, liver, or colon issues. Couid also be metabolic or hormonal problems. See your doc asap.