United Kingdom, April 11 -- Teddi Mellencamp finds her sex drive "exhausting" amid her cancer treatment.

The 43-year-old star - who has stage 4 cancer and recently had tumours removed from her brain and lungs - has detailed the way in which her medication has taken a toll on her body and she's finding some things particularly "hard".

Speaking on her 'Diamonds in the Rough' podcast, Teddi - who has Slate, 12, Cruz, 10, and Dove, five, with her estranged husband Edwin Arroyave - said: "After going through all of this, they've changed my medication, I have a sex drive. It's really hard for me.

"Not to TMI, but I even tried myself, and I was like, 'This is f***ing exhausting. This is exhausting.'

"I tried it the night before last, and I w...