The star, 40, appeared on Victoria Derbyshire's BBC Two show today with her 16-year-old son.
Harvey, who has Prader-Willi Syndrome, is partially sighted and also struggles with septo-optic dysplasia, which affects his growth.
Speaking on the show, his mum turned to him and asked him: "What do you do at home Harv, to mummy's house? What have you been doing that mummy doesn't like?"
The teenager replied: "Smash things."
Katie continued to quiz Harvey and said: "Yes, and how many TVs do you smash?
Harvey answered: "Lots" as Katie added: "And how many iPads?" with her son responding: "Eight".
Katie turned back to Victoria and continued: "He doesn't realise the expense. He is a danger to himself, for the first time ever now I'm thinking he might have to go residential (care) Monday to Friday.
"He knows, if he kicks off in the morning, the driver won't take him to school. He has sussed that.
"And he is missing out on his education because he just wants to be with me. But it is so hard. I haven't got respite. I do it all myself."
"I'm really having to think about it but I hate it because he's my life. The kids can be scared as he's big so I have to think of him. I'm literally on my own as I don't talk to anyone about it, I'm lonely."
Katie's decision comes off the back of her year from hell, where she split from cheating husband Kieran Hayler and found out her mum has a terminal illness.
She told how she spiralled into a party lifestyle and "self medicated" on cocaine, admitting she had been suffering from "severe trauma".
Katie, who has documented only some of the ups and downs in reality show My Crazy Life, revealed she took cocaine every week for six months at her lowest ebb.
"Last year, it was an awful year, I found out my mum was terminally ill, then that my husband at the time was cheating on me again," she said.
"My horse died in front of my house, in South Africa I was held at gun point with my children Junior and Princess, then [Harvey] had a kidnap threat again and then I was divorcing my husband."
She continued: "I was self medicating on a drug, cocaine, I'm not proud of it.
"I've never been up that track before, I went to the doctor and it was the hardest thing ever to say I need help. I'm at breaking point.
"It was weekly for about half a year. I went to the priory, someone assesses you and I was in there for severe trauma and depression."
After a four week treatment, Katie is now trying to focus on the future.
She hopes to ease her loneliness by adding to her brood and admitted reports she is trying to adopt a Nigerian orphan are true.
She told Victoria: “It’s easy to adopt out of the country but it’s difficult to adopt to bring them into the country.
“People said I wouldn’t be able to adopt because of my situation but no one knows how far I’ve got with it.”
When Victoria asked how many children she would like, Katie joked: “In my head it’s like a conveyor belt, when they move out… I’ve got 11 bedrooms to fill.”
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