However, health experts fear that the drink could cause agitation in some consumers and that it may even pose a risk for people with heart conditions.

The reason: they may cause agitation, anxiety and hostility in a subset of patients unusually prone to rare side-effects.

These collisions cause agitation, motion or heat.

Reducing agitation may mean that patients are not reoriented if reorientation causes agitation.

This then causes agitation and distress and secondary delusions.