Leslie Grantham “remains poorly and is being taken care of by medical staff”, such other representatives for the ex-EastEnders actor has told the BBC.
The confirmation follows a story in The Sun reading the 71 -year-old was “gravely ill” and “fighting for his life”.
The newspaper reported that Grantham – who toy “Dirty” Den Watts in the BBC soap – had returned to the UK from Bulgaria to receive medical attention.
His agent said a statement would be issued “at the appropriate time”.
Grantham moved to Bulgaria after filming TV sequence The English Neighbour there in 2010.