What are these the symptoms of?

Stuffy nose, sore throat,itchy and sore eyes,red unwary on body that itches sometimes, stomachacheWhat are these the symptoms of?
Maybe allergies, maybe more. Can't really convey unless you have given a comprehensive description of when it take place, what were u doing and so on
sounds resembling a food allergy or an allergen like plants that somehow get ingested--stomachache.