Ask a Pediatrician Online and Get an Answer ASAP
Hello & welcome to Just Answer! If you have any questions after reading my answer, be sure to let me know.
It would appear that this may be an uncommon immunological reaction
that can occur due to various virus infections including Human Parvovirus infection
This may require a revisit to the specialist, since fingernails coming out of nail beds suggests possible severe reaction and may need specialized treatment like Immunogobulin, steroids etc to help her get better,
Please remember to accept the answer by pressing the GREEN accept button, do get back for any clarifications