Carragh Keane, 29, is battling incurable autoimmune condition lupus, which she was diagnosed ... I developed blisters on my fingers and toes, which a dermatologist told me were chilblains.

Lupus isn't infectious ... old first started showing symptoms in the summer of 2021 when she noticed blisters on her fingers and toes; a dermatologist initially misdiagnosed these as chilblains ...