That made me wonder how rare it was. I found this literature review which suggests that while “rare”, > There has been increasing recognition in the pediatric

That made me wonder how rare it was. I found this literature review which suggests that while “rare”, > There has been increasing recognition in the pediatric literature for the past 20 years that illness falsification by caregivers must be included in the differential diagnosis of children presenting with persistent, unexplained symptoms or laboratory findings. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2990557/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2990557/