You have 2 guilt free choices, action or inaction. To keep things simple;

You can do nothing with expectation of likely outcomes.
or
You can do something with unknown outcomes.

When a person is a real danger to others or themselves they can be committed in 20 minutes.
Signing off on modern electro shock therapy is a worthwhile reset gamble.

Get your own counsel on a choice of action.
Stay out of the line of fire if you choose inaction.

You are not obligated to choose any course of action.
Its easier to choose something only you know you can live with best.