How do you spell Diarrhea?
Correct spelling
diarrhea
Two R's, then H. Dash In A Rush, Run Hard, Else Accident.
Why is diarrhea spelled this way?
From Greek diarrhoia, flowing through. DIA (through) + RHEIN (to flow). Double-r, then h — the 'rrh' combination is rare in English. British spelling: diarrhoea.
Common misspellings of diarrhea
diarheadiarrhoeadiarreahdiarea
Example
The patient was treated for diarrhea.