From Longman Dictionary of Contemporary Englishgo down with something phrasal verb British English informalILLto become ill, especially with an infectious disease Half the team had gone down with flu. → go→ See Verb table
Examples from the Corpus
go down with • Was he going down with an infection?• The food must be properly cooked to ensure the diners don't go down with food poisoning.• Looking back, it seemed inevitable that Evelyn would go down with some sort of psychological trouble. 