This document provides instructions for using a symptom checklist to track symptoms over time in order to identify patterns and the impact of activities, medications, and other factors. The checklist contains a comprehensive list of symptoms organized by body system. Users are directed to rate symptom severity on a scale, note the date and potential triggers, and reference their journal entries for additional details. Tracking symptoms over an extended period with this checklist and a personal journal can help users and healthcare providers determine effective treatment approaches.