She received her clinical training in pediatrics at Rambam, which is affiliated with the Technion–Israel Institute of Technology. Dr. Eshach completed her training in Pediatric Gastroentrology and Nutrition in the combined program for pediatric gastroenterology and nutrition at Children's Hospital in Boston and Massachusetts General Hospital, which are affiliated with Harvard Medical School in Boston. Dr. Eshach's main research interests are nutrition and metabolism of the sick child; she recently began studying an animal model of inflammatory bowel disease.Dr Eshach considers her teaching in the Technion Faculty of Medicine as one of her most important contributions to the hospital and the medical school.