Reality TV star Caitlyn Jenner is in constant pain since she went through gender transition surgeries.

According to a source as quoted by Radar Online: "Caitlyn's in constant pain since she had all those operations. She's happy with how her transformation's going, but she's finding the surgery hell on her body. She was often complaining of pain around her face and ears but was told by doctors to be patient about her recovery,` reports mirror.co.uk.

"She's currently taking painkillers until the work on her face and body settles in," the source said.

The 65-year-old made news when she revealed her gender transition on the front cover of magazine, Vanity Fair. Jenner has undergone facial feminisation surgery, breast implants, and has had her Adam's apple shaved.