Hyperemesis Gravidarum: When Morning Sickness Becomes Dangerous

HG vs Normal Morning Sickness

Normal morning sickness: nausea with occasional vomiting, can keep most food/liquids down, no weight loss, manageable with lifestyle changes, resolves by 12-20 weeks. HG: severe persistent vomiting (unable to keep food or fluids down), weight loss >5% of pre-pregnancy weight, dehydration (dark urine, dizziness), unable to function normally, may persist throughout pregnancy.

Medical Treatment

HG often requires medical intervention: IV fluids for dehydration, anti-nausea medications (ondansetron/Zofran, promethazine, metoclopramide), vitamin B6 + doxylamine (Diclegis), corticosteroids for severe cases, nutritional support (TPN/tube feeding in extreme cases), and hospitalization for severe dehydration. Work with your OB to find the right combination — multiple medications may be needed.

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Impact on Baby

Despite the severity of symptoms, most babies born to mothers with HG are healthy. However, severe untreated HG can lead to low birth weight and preterm delivery. Staying hydrated and nourished (even with medical support) is the priority. Don't hesitate to seek treatment — treating HG is important for both your health and baby's development.

Emotional Impact

HG takes an enormous emotional toll: isolation, depression, anxiety about the pregnancy, guilt about not enjoying pregnancy, strain on relationships, and financial impact from missed work. These feelings are valid. Seek support from HG-specific communities (HER Foundation), mental health professionals, and your medical team. You are not alone, and this is not your fault.

Frequently Asked Questions

Is this information medically reviewed?

Yes. All Wermom medical content is reviewed by board-certified pediatricians and OB-GYNs. We follow guidelines from the AAP, ACOG, WHO, and CDC. However, this information is educational and doesn't replace personal medical advice from your healthcare provider.

When should I call my doctor?

Trust your instincts. If something feels wrong or you're concerned about your baby's health, call your pediatrician. They'd rather hear from you with a question that turns out to be nothing than miss something important. For emergencies (difficulty breathing, unresponsiveness, seizures), call 911 immediately.