It's been revealed that the singer, 23, asked for medical attention late on Tuesday night after falling ill on the show.
'I've had a stronger tablet, and it seems to be working the opposite,' Mutya told Big Brother.
Mutya spent 90 minutes with the doctor off camera.
'Mutya won't see the end of the show unless her health improves,' a source tells The Mirror. 'She's not been herself for days now.'
Mutya faces eviction tonight alongside Tina Malone, Ulrika Jonsson and Michelle Heaton.
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