Symptom database
Search symptoms by name, body system, tracking context, and urgency notes.
These entries are reference summaries with MedlinePlus source links. They support tracking and discussion, not diagnosis or treatment decisions.
Catalog directory
Symptom records
Nightmares
Nightmares is a mood, behavior, thinking, or sleep-related symptom that can be tracked with timing, stressors, sleep, medicines, substance use, and safety concerns.