What if your child seemed completely normal—and then, within days, became a completely different person?
Sudden OCD. Severe separation anxiety. Food restriction. Tics or unusual movements. Sleep disruption. Frequent urination. Explosive behavior. Developmental regression. Even symptoms that appear irrational, obsessive, or psychiatric.
In this episode of Decoded, Elisabeth McKay breaks down PANS and PANDAS—two controversial areas of pediatric neuropsychiatry that force us to ask a critical question: Are we mistaking psychiatric symptoms for the origin of the problem?
PANS stands for Pediatric Acute-Onset Neuropsychiatric Syndrome. PANDAS refers specifically to Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections. But understanding the labels is only the beginning.
Elisabeth examines how sudden behavioral deterioration can potentially emerge from multiple directions. In some cases, psychological and environmental inputs may be involved. In others, infection, immune activity, inflammation, mold toxicity, or another medical process may warrant investigation. And sometimes, multiple factors may be operating at once.
In this episode:
What PANS and PANDAS actually mean
The defining importance of sudden symptom onset
OCD, food restriction, anxiety, aggression, regression, tics, and sleep changes
The history of PANDAS and its association with Group A strep
Why PANS is broader than PANDAS
Basal ganglia circuitry and the proposed immune hypothesis
Why there is currently no single definitive PANS biomarker
What the American Academy of Pediatrics has said about PANS
PANS vs. autoimmune encephalitis
Why psychiatric symptoms don't automatically prove psychiatric origin
Psychological and environmental "perfect storm" events
Mold toxicity and other potential environmental factors discussed in the episode
How parental behavior during illness can affect a child's interpretation
Why parents should document patterns without catastrophizing
What information can make conversations with clinicians more productive
Why medical investigation and behavioral support don't necessarily have to be either/or
The goal isn't to diagnose your child from a podcast.
It's to stop confusing the description of an output with an explanation of its mechanism.
When a child's functioning changes rapidly, the question isn't simply, "What psychiatric label fits these symptoms?"
It's also: What changed—and where did this process actually begin?
Watch, observe carefully, document what you can, and work with qualified clinicians when medical evaluation is warranted.
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