Summer in North Andover brings cookouts, vacations, sports tournaments, outdoor festivals, beach trips, and family gatherings throughout the Merrimack Valley. While warm weather creates plenty of opportunities for fun, it also increases the spread of stomach illnesses. Every summer, urgent care providers see more patients experiencing nausea, vomiting, diarrhea, fever, stomach cramps, dehydration, and fatigue. One of the most common questions people ask is whether their symptoms are caused by food poisoning or a stomach ...