Abrupt Behavioral Change in Medicine / Internal Medicine — 28yo Woman | Psychiatry | SMLE Q#1444
SMLE Question #1444
Medicine / Internal Medicine
Psychiatry
Last updated: February 2026
A 28-year-old woman, 10 days after an uncomplicated vaginal delivery, is brought by her husband for abrupt behavioral change. She reports seeing animals near the baby’s crib and becomes very agitated while trying to protect the infant. She has slept very little, is intermittently disoriented, and is observed speaking to unseen people. She has no prior psychiatric history and denies substance use. What is the most likely diagnosis?
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