Small-cell lung cancer is the type of cancer most likely to cause SIADH. Between 10% to 15% of people with SCLC develop SIADH. Nearly 50% may have a milder form of the condition. You're more ...

SIADH was diagnosed in 22 out of 60 cases (36.7%) on admission and in six of 48 cases (12.5%) on day 3. Hyponatraemia without SIADH, attributed to vomiting and fever, was detected in seven cases ...