Swann will however return to play the first test against India in Ahmedabad starting on November 15.
"This is a personal matter and we would ask for everyone to give Graeme and his family privacy. We will not be making any further comment at this time", the ECB said in a statement.
England are already missing the services of Stuart Broad and Steven Finn, as the two pacers are nursing injuries. Stuart Meaker had been called up as cover for Finn.