Food and Environmental Triggers in PANDAS and PANS
Strep is the primary PANDAS trigger — but many families report consistent patterns with certain foods, environmental exposures, and non-infectious stressors. Here is how to investigate systematically.
Triggers vs. Root Causes
A trigger is not the same as a root cause. In PANDAS, the root cause is an immune system that under certain conditions affects brain function. Non-infectious triggers may lower the threshold, exacerbate an existing flare, or prolong recovery — without necessarily initiating a full flare on their own.
Common Non-Infectious Triggers
Most frequently reported: viral illnesses even without apparent strep, significant physical stressors (surgery, dental procedures, fevers), psychological stressors (school transitions, family disruptions), sleep deprivation, foods with high inflammatory potential (artificial dyes, high sugar), mold and environmental exposures, and seasonal patterns.
How to Track Triggers Systematically
Log potential triggers in the same record as symptom data. Include: significant dietary changes, illness exposures even when the child doesn't appear sick, significant stressors with dates, sleep quality as a continuous variable, and seasonal context. After three months, patterns that were invisible before often become visible.
When to Bring Trigger Data to a Specialist
Bring trigger data when you have observed a pattern across at least 3–4 episodes, not a single correlation. A specialist who sees a consistent pattern across multiple documented episodes will engage with it differently than an anecdotal report.
PANDAS Tracker includes trigger logging alongside symptom data. Free on iOS and Android.