'As is the case with all contestants, Elaine's medical history was checked out and we were advised that there was no reason why she should not take part in the programme.
'We wish her a speedy recovery. But at this stage we don't know if she will be returning to the show.'
Miss Lordan, who gave birth to a son James in January, her first child with partner Peter Manuel, has experienced a turbulent past few years.
She was convicted of drink-driving in October 2003 and sacked from the BBC's flagship soap that December.
Nine months ago her mother, Bernadette, who suffered with depression, committed suicide by jumping under a train in North London. She is not the first celebrity to suffer medical problems on the show.
Last year's winner, Joe Pasquale, almost collapsed after being plagued by insect bites.
After being evicted from the 2003 series, Toyah Willcox claimed a daily food allowance of just 500 calories resulted in her being diagnosed with hypoglycaemia, a potentially dangerous lowering of glucose levels in the blood.
Last year comedian Frank Carson, who has a heart pacemaker, was dropped from the show amid fears for his health.
