This dissertation explores the intersections of technical medical knowledge and lay knowledge of medicine in fictional prose writings in the genre of the ancient Greco-Roman romance novel. I analyzed a sample of seven novels consisting of four Greek novels (Xenophon of Ephesus' Ephesian Tale, Achilles Tatius' Leucippe and Clitophon, Longus' Daphnis and Chloe, Heliodorus' Aithiopica) and three Latin novels (Petronius' Satyricon, Apuleius' Metamorphoses,...