This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following is the drug of choice for the treatment of inappropriate anti-diuretic hormone secretion: 
Select and explain. 
A. Frusemide, B. Hydrochlorothiazide, C. Spironolactone, D. Demeclocycline
D: Demeclocycline
Answer: D: Demeclocycline 
Explanation: Answer is D (Demeclocycline): The treatment of choice for S1APH is water restriction. The drug of choice for SIAPH (when water restriction is unsuccessful is demeclocycline). Demeclocycline (a tetracycline) acts as an ADH antagonist.