When they lose it over something tiny
ADHD parenting moment
What to do right now
The tiny thing isn't the real thing. Something has been building and this was just where it broke. Validate the feeling, not the size of the trigger: "That's really upsetting you. Let's take a moment." Don't point out that it's small — that's irrelevant to them right now. What helps is acknowledgment first, then space for the intensity to pass.
What your brain just did
Your body
The size of the trigger doesn't match the size of your reaction, and you know it. That mismatch is itself distressing, which adds another layer.
Your brain
ADHD emotional responses arrive at full intensity with no dimmer switch. The tiny trigger was the last input in a sequence of accumulated load. Your prefrontal cortex couldn't moderate the response because it was already at capacity.
What this did
The small thing was never the real trigger. It was the visible surface of invisible accumulated load. The reaction makes sense when you see the full picture.
What your child is experiencing
Their body
The small trigger was the last input in a long sequence of accumulated stress. Their nervous system did not explode over this thing. It exploded because of everything before it.
Their brain
ADHD emotional regulation has no dimmer switch. Emotions arrive at full intensity regardless of the size of the trigger. The disproportionate reaction is the emotion regulation system working as the ADHD brain built it, not a malfunction.
What they need
Do not address the disproportionality during the storm. They know it was too big. Pointing it out adds shame to the overload. Wait. When they are calm, you can gently explore what else was happening before the small thing tipped them.