What is a catastrophic reaction?

A catastrophic reaction is a sudden, disproportionate outburst of distress, anger or tears in response to something small, when a person with dementia is overwhelmed. It usually follows being asked to do too much at once, being hurried, or failing at a task in front of others. The trigger is the last straw rather than the true cause.

A typical example is a person with dementia who bursts into tears or shouts when asked to get dressed while the television is on and someone is hurrying them out the door. The request itself is small, but combined with noise, rushing and a task they struggle with, it overwhelms them. Overload, not the request, is the real cause.

Common triggers are being asked to do too much at once, being rushed, failing at a task in front of others, and a noisy or busy setting. The Alzheimer's Association notes that noise, glare and background distraction can act as triggers, and suggests checking for pain, hunger, thirst, constipation, a full bladder, fatigue and infections, which can all add to distress.

When a catastrophic reaction occurs, it is best to stop, back off and give the person space. The Alzheimer's Association advises using calm, positive statements, reassuring them, slowing down, and reducing noise and distractions. It warns against raising your voice, crowding, restraining, criticizing or arguing with the person. Most reactions settle, and the task can be tried again later.

A catastrophic reaction can take the form of sudden crying, shouting, refusing to go on, pacing or striking out. It usually follows something small, such as a question the person can't answer or being rushed, and it passes once the pressure is taken away and the person feels safe again.