Hyponatraemia can be caused by standard fluid regimens

EDITOR—The article by Bhalla et al highlighted the dangers from giving excessive hypotonic fluids to children at home.1 The striking omission from their article is that most perpetrators of this are members of the medical community. Hypotonic intravenous fluid continues to be given to hospitalised children on the basis of dogma laid down some 40 years ago, but which survives unchallenged today, even in the light of current understanding of …