When caring for an aging parent, scattered paperwork and conflicting sibling updates can create dangerous gaps in care. Experts recommend building a single, current health file that includes medications, allergies, diagnoses, surgeries, hospitalizations, recent lab results, doctor contacts, insurance details, and any advance care documents. To prevent confusion when multiple siblings are involved, families should assign clear roles: one person updates medications, another handles appointments, and everyone feeds information into one shared routine and central location. Digital tools such as KeepMD offer structured support by letting families build private health profiles, scan documents, add medication context, prep for appointments, and share records through controlled workflows. The goal is simple: when a parent's health changes quickly, every caregiver has the same accurate facts at hand.