Chickenpox Misdiagnosis: Girl's Life Changed Forever

A seven-year-old girl's life took a devastating turn after contracting chickenpox, which was followed by a severe and aggressive autoimmune attack on her brain known as ADEM. Her mother repeatedly sought medical help, but hospital staff and GPs dismissed her concerns, attributing the severe symptoms to flu and the after-effects of chickenpox.

Weeks later, an optician's alarm about a potential brain tumour led to a diagnosis of ADEM at St James's Hospital. This rare condition, often triggered by minor infections like colds or chickenpox, involves the immune system attacking the brain's protective nerve coating.

Unfortunately, the misdiagnosis meant the critical window for treatment, which could have potentially preserved Ruby's eyesight and mitigated other severe symptoms, was lost. The inflammation destroyed the optic nerve in her right eye, and she also developed early puberty and significant mobility issues.

Lauren, her mother, had to relearn basic skills with Ruby, describing the period as "like having a baby." The condition also affected Ruby's hormonal balance, leading to early signs of puberty at age eight.

The family engaged in a panel meeting with NHS staff, where the misdiagnosis was admitted. Ruby's case is now being used to educate medical students on recognizing ADEM symptoms. Despite her challenges, Ruby is described as a creative and artistic child, and her mother's advocacy aims to prevent similar tragedies for other children.