Amiloride is DOC for Lithium induced Diabetes insipidus because
A. Amiloride inhibits ADH action
B. Amiloride inhibits lithium entry through epithelial Na channel
C. Hyperkalemia induced by amiloride decreases water output
D. Amiloride increases ADH action

Answer b

Lithium inhibits action of ADH and causes Diabetes insipidus. Amiloride inhibits entry of lithium through epithelial Na channels and antagonizes lithium action on ADH. so amiloride is DOC for Lithium induced Diabetes insipidus

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