Too much of a good thing: OTC calcium carbonate overdose causing milk-alkali syndrome in a psychiatric patient

This case underscores the importance of thorough medical and psychiatric assessment in patients presenting with altered mental status, particularly in those with a history of overdosing. It also highlights the need for close collaboration between psychiatry and internal medicine in the management of metabolic disturbances that may mimic or exacerbate psychiatric symptoms. A stepwise approach to the diagnosis and treatment of hypercalcemia is reviewed, with particular attention to considerations unique to psychiatric populations.