Symptom diary: A symptom diary is a structured record of symptoms, timing, side effects and changes over time.
It can improve communication with clinicians and help avoid vague recall.
Fits NICE’s emphasis on monitoring efficacy, safety and outcomes.
It should support, not replace, clinical review.
Related glossary terms
Related MCPH pages
Patients tracking symptoms and side effects may find Grams Left useful as a private stock and consumption tracker that keeps personal notes alongside dose records — without selling your data.