Lithium Toxicity – MCQ

Which of the following antihypertensive drugs should not be used in a patient on Lithium in order to prevent Lithium Toxicity?
A. Clonidine
B. Beta blockers
C. Calcium Channel Blockers
D. Diuretics

Correct answer : D. Diuretics

Diuretics increase sodium loss in urine and increase lithium retention. Hence they should not be used in patients on Lithium.

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