Lithium in Bipolar Disorder Treatment
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Questions and Answers

What is the primary mechanism by which lithium is eliminated from the body?

Exclusively by the kidneys

Why is lithium's therapeutic index considered narrow?

Because the difference between the minimum effective dose and the toxic dose is relatively small

What is the effect of nonsteroidal anti-inflammatory drugs, ACE inhibitors, and angiotensin II receptor blockers on lithium levels?

They can acutely reduce glomerular filtration and clearance of lithium, potentially leading to drug toxicity

How do thiazide diuretics affect lithium levels?

<p>They inhibit reabsorption of sodium in the distal convoluted tubule, causing a compensatory increase in reabsorption of lithium in the proximal tubule</p> Signup and view all the answers

What is the effect of potassium-sparing diuretics on lithium levels?

<p>Some can raise lithium levels, while others can lower lithium levels, likely due to effects on both sodium transport and glomerular filtration</p> Signup and view all the answers

Why are calcium channel blockers considered safe for use with lithium?

<p>They do not significantly affect sodium levels or glomerular filtration rate</p> Signup and view all the answers

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