Understanding the Mechanisms of Weight Gain in Psychiatric Patients
The discussion centers on the intricacies of weight gain associated with certain psychiatric medications, particularly focusing on the case of a mock patient named Johnny, a 30-year-old welder who has experienced significant weight gain while stabilized on Olanzapine, also known as Zyprexa. We delve into the three primary pathways that contribute to medication-induced weight gain: histamine antagonism, muscarinic receptor antagonism, and the blockade of the 5HT2c receptor. Each pathway is elucidated with a detailed examination of how these mechanisms affect appetite, metabolism, and overall…
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