Living with Charcot joint means navigating a condition that many clinicians still find puzzling. The foot swells, becomes warm, and in some cases literally collapses — often without significant pain, because the same neuropathy that destroys the joint also muffles the warning signals.

Most people who search for information on congenital insensitivity to pain are not doing so out of curiosity. They are parents who just watched a toddler chew through a lip without crying, or adults who noticed a family pattern of unexplained fractures, or clinicians trying to make sense of a case that does not fit the usual textbook categories.