Bethany Gamble was given steroid creams from the age of two to help manage her eczema. They worked - for years her skin condition was just a small part of her life. And then, suddenly it wasn't. At the age of 18, Bethany began to notice something was wrong. The small patches of eczema in the creases of her elbows and behind her knees began to spread. "My skin was hot, so inflamed and red. It began to crack and ooze, and the itch was bone deep. It consumed my whole body, and then it began to consume my whole life." By the time she turned 20, Bethany was in so much pain she could not get out of bed and her mum had to take time off work to nurse her. She couldn't feed herself. But the worst part of it, she says, was not being believed. "I was constantly gaslit by doctors," the 21-year-old from Birmingham says. "They kept telling me it was just my eczema and offering me more steroids.…