Tragic Teresa Innes is being treated in the same unit of Bradford Royal Infirmary where her mother died.
The 36-year-old former care worker is being treated in the intensive care unit of the hospital where her mum Marie spent her final few days two years ago.
Marie Thornton had suffered from a series of illnesses when she was admitted to the ICU after a heart operation in Sheffield.
She developed emphysema and died aged just 54 in the unit.
Now the memories of her death have compounded the suffering for the family which is struggling to come to terms with the fact Teresa has been left in a vegetative state after it is thought she was given a penicillin-based drug by mistake.
Sheila Innes, Teresa's aunt and Marie's sister said she couldn't believe two members of her family had ended up in the same unit.
"It brings it all back and it has been very difficult for everyone," she said.
Teresa's best friend Dena Derwent, who attended Teresa's mother's funeral, said Teresa had said at the time: "Well, if I am going to die at the same age as my mum, I still have 20 years to party."
But she was believed to have been given the drug, which she is highly allergic to, after being treated for an abscess on her leg.
The blunder occurred despite the fact she was wearing a warning bracelet, and doctors had been told.
She went into anaphylactic shock, which stopped her heart and starved her brain of oxygen. She was resuscitated, but the damage had been done. It is not clear if she will ever be able to live a normal, independent life.
Her next-of-kin Marlene Greaves, of Evans Towers, Bradford said she was an outgoing person who loved to party.
"She has not had a great life but this year she was the happiest I have ever seen her. Everything was going great for her and I said it was about time she was getting out and enjoying herself, then this."
Dena, 42, of Lime Street, Bradford, said Teresa had just returned from her first holiday abroad in Corfu when she noticed what appeared to be a bit on her leg was troubling her. She visited the doctor on Monday September 24, who sent her to hospital, with a note warning of her allergy, however the very next day she was thought to have been given the penicillin.
She is visited daily by family, including her sister Beverly, brothers Lee and Paul, her uncle Herbert Innes, aunt Sheila Innes.
She also receives visits from her son Scott, who is distraught.
"Teresa was such a strong personality and I keep talking to her, telling her that she can beat this, that she is strong," said Marlene Greaves.
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