Hyperemesis gravidarum with metabolic disturbance
ICD-10 O21.1 · ICD-11 JA60.1.1

Hyperemesis Gravidarum with Metabolic Disturbance: Next Steps When Pyridoxine and Doxylamine Fail to Control Symptoms

Clinical scenario

This protocol addresses hyperemesis gravidarum with metabolic disturbance (ICD-10 O21.1 / ICD-11 JA60.1.1) in the specific situation where first-line pharmacotherapy has been tried on a regular schedule but nausea and vomiting have not been adequately controlled. A defined second-line approach is indicated at this stage.

Previous line — insufficient response

First-line pharmacotherapy combining Pyridoxine (Vitamin B6) and Doxylamine, taken regularly as prescribed, did not achieve sufficient reduction in the severity and frequency of nausea and vomiting. Non-achievement of that target is the clinical trigger for escalation to this protocol.

Second-line approach (partial overview)

When first-line therapy is insufficient, the approach involves adding a second sedating antihistamine to the regimen. The specific agent, route of administration, and full dosing schedule are set out in the complete protocol.

Full regimen, dosing guidance, and clinical algorithm available via the structured protocol below.
Treatment goal

Reduction in the severity and frequency of nausea and vomiting.

Instant Access to Structured Evidence-Based Regimens

References

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