A Young Man with Polydipsia and Severe Hyponatremia-Successful Management with Mere Fluid Restriction: A Case Report on Psychogenic Primary Polydipsia

Polydipsia as a result of an obsessive-compulsive disorder may cause polyuria and serious consequences like severe forms of electrolyte imbalance. This case report explores the rare occurrence of psychogenic primary polydipsia resulting in severe hyponatremia in a 29-year-old man presenting with excessive thirst, compulsive water intake, and extreme lethargy owing to serum hypo-osmolarity and hyponatremia. After the exclusion of organic conditions like diabetes mellitus, diabetes insipidus, hypercalcemia and, chronic kidney disease, intervention comprising of intensive counseling sessions, fluid restriction and slow normal saline infusion smoothly alleviated his presenting problems. Psychiatric management was contemplated to attain sustainable results.