Mark and Theresa Chimiak sued Friday in Florida, claiming their 5-year-old daughter has an intolerance to gluten and became seriously ill after eating McDonald's french fries.

Debra Moffatt seeks unspecified damages in a lawsuit filed Friday in Chicago. Her attorney, Thomas Pakenas, said his client has celiac disease, which causes gastrointestinal symptoms set off by eating gluten, a protein found in wheat.

Used for Flavor

Jack Daly, McDonald's senior vice president, said in a statement the company had not reviewed the case yet and is testing its fries for gluten through a food allergy research program at the University of Nebraska.

Mark and Theresa Chimiak sued Friday in Florida, claiming their 5-year-old daughter has an intolerance to gluten and became seriously ill after eating the fries. Nadia Sugich of Los Angeles sued Wednesday, saying she eats no animal products and would not have eaten the fries had she known they contained dairy ingredients.

McDonald's said Monday that wheat and dairy products are used to flavor its fries.

Before its acknowledgment Monday, the company had quietly added "Contains wheat and milk ingredients" to the french fries listing on its Web site.