A 40 yo manic depressive is noted to have high serum levels of lithium and profound
hypokalemia. His GP had started him on anti-HTNs. Choose the single most likely cause?
a. Verapamil
b. Amiodarone
c. Ranitidine
d. Lithium
e. Thiazide
Ans. The key is E. Thiazide. [Thiazide was prescribed for Hpt and when lithium was prescribed its level increased due to thiazide and thiazide also caused hypokalemia resulting the given picture].