Water intoxication syndrome (overhydration syndrome) 1

General: Administration of water in excess of kidney excretion capacity; psychogenic water drinker; may be chronic, with slow accumulation of water, or acute.

Ocular: Lacrimation.

Clinical: Chronic symptoms include weakness, sleepiness, apathy, anorexia, nausea, vomiting, sialorrhea, diarrhea, perspiration, behavioral changes, seizures and coma, tendon hyporeflexia, pitting edema, hemiplegia, pulmonary edema, and congestive heart failure; acute symptoms include tendon hyporeflexia, decreased attention, confusion, aphasia, muscle twitching, hemiplegia, incoordination, apathy, violent behavior, and marked muscle weakness.

Magalini SI, Scrascia E. Dictionary of Medical Syndromes, 2nd ed. Philadelphia: JB Lippincott, 1981.