Excessive vomiting in pregnancy that has not been adequately controlled by earlier treatment measures, requiring escalation to third-line pharmacotherapy to manage persistent symptoms.
Third-line management draws on specific antiemetic agents — including Metoclopramide and Prochlorperazine — administered on a structured, time-limited basis. The complete protocol, covering agent selection, dosing parameters, routes of administration, and strict duration limits, is available in the full structured regimen below.