The bags were institutional sized. The recall does not affect Uncle Ben's Brand Ready to Heat, Boxed, Bag or Cup products sold at grocery stores and other retail outlets.

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Mysterious symptoms linked to Uncle Ben's Infused Rice served at schools in Texas on Friday have led to a recall and a Food and Drug Administration warning to consumers not to use the products.

Students at three public schools in Katy, Texas, experienced burning, itching rashes, headaches and nausea after eating Uncle Ben's Infused Rice Mexican Flavor on Friday. The symptoms disappeared after 30 to 90 minutes.

A previous incident on Dec. 4 sickened 25 students in Illinois with similar complaints after the school lunch included the grain.

North Dakota reported a similar incident at a day care on Oct. 30.

Mars Foodservices, the maker of Uncle Ben's rice products, is recalling all bags and lot numbers of its Uncle Ben's Infused Rice products produced in 2013.

The recall does not affect Uncle Ben's Brand Ready to Heat, Boxed, Bag or Cup products sold directly to consumers at grocery stores and other retail outlets.

The rice was sold in 5-pound and 25-pound bags. It is typically distributed to restaurants, schools, hospitals and other commercial establishments. It is possible that consumers might have purchased the products over the Internet and at warehouse-type retailers, FDA said in a release.

FDA said food service companies and consumers who have purchased the products should not use the rice, and should return it to their point of purchase or dispose of it.

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