Short answer · Medically reviewed summary · Last updated: 2026-05-08

Hyperemesis Gravidarum is a severe form of pregnancy-related nausea and vomiting, characterized by persistent, uncontrollable vomiting that leads to significant weight loss, dehydration, and electrolyte imbalances. Unlike typical morning sickness, Hyperemesis Gravidarum often requires medical intervention, such as intravenous fluids or medication, to ensure the health of both the pregnant person and the fetus. What are the primary symptoms of Hyperemesis Gravidarum? The hallmark symptoms of Hyperemesis Gravidarum extend far beyond common nausea.

6 people with Hyperemesis Gravidarum have shared their first-person experience on this question at DiseaseMaps.

1

Which are the symptoms of Hyperemesis Gravidarum?

Symptoms of Hyperemesis Gravidarum reported by real patients, from the most common to the most limiting, plus a medically reviewed summary with sources.

Hyperemesis Gravidarum symptoms

Hyperemesis Gravidarum is a severe form of pregnancy-related nausea and vomiting, characterized by persistent, uncontrollable vomiting that leads to significant weight loss, dehydration, and electrolyte imbalances. Unlike typical morning sickness, Hyperemesis Gravidarum often requires medical intervention, such as intravenous fluids or medication, to ensure the health of both the pregnant person and the fetus.



What are the primary symptoms of Hyperemesis Gravidarum?


The hallmark symptoms of Hyperemesis Gravidarum extend far beyond common nausea. Patients typically experience:



  • Persistent vomiting: Inability to keep liquids or solids down for extended periods.

  • Dehydration: Manifesting as dark-colored urine, dry mouth, and decreased frequency of urination.

  • Significant weight loss: Often defined as a loss of more than 5% of pre-pregnancy body weight.

  • Severe fatigue and lightheadedness: Caused by caloric deficit and circulatory strain.

  • Loss of appetite: A total aversion to food that persists throughout the day.



How does Hyperemesis Gravidarum impact daily quality of life?


The impact of Hyperemesis Gravidarum on daily life is profound, often leading to physical exhaustion and secondary anxiety. Because the condition affects multiple body systems—including the digestive, nervous, and musculoskeletal systems—patients may find it impossible to perform basic daily activities, maintain employment, or care for other family members. The isolation caused by chronic illness is a significant challenge, which is why our community of 424 members on DiseaseMaps.org is so vital for shared support.



When should you seek immediate medical attention?


You should seek emergency care if you notice signs of severe dehydration or metabolic distress. Watch for these specific indicators:



  1. Inability to keep any fluids down for 24 hours.

  2. Confusion, fainting, or extreme dizziness.

  3. Vomiting blood or material that looks like coffee grounds.

  4. Rapid heart rate or heart palpitations.

  5. Inability to urinate for 8 hours or more.



How does the severity of Hyperemesis Gravidarum progress?


For many, Hyperemesis Gravidarum symptoms peak between weeks 9 and 13 of gestation. While some patients experience relief in the second trimester, others may suffer from Hyperemesis Gravidarum throughout the entire duration of the pregnancy. Severity varies; some individuals manage with oral medications, while others require repeated hospitalizations for IV fluid replacement and nutritional support.



Next steps



  • Consult your obstetrician immediately if you cannot keep fluids down to prevent severe dehydration.

  • Keep a daily symptom log to share with your healthcare provider during check-ups.

  • Join the Hyperemesis Gravidarum community at DiseaseMaps.org to connect with others who understand your experience.

  • Prioritize rest and work with your medical team to explore safe, evidence-based anti-emetic therapies.



Medical disclaimer: This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment; always seek the advice of your physician or other qualified health provider with any questions regarding a medical condition.



References



  • NIH Genetic and Rare Diseases Information Center (GARD)

  • Orphanet: Portal for rare diseases and orphan drugs

  • HER Foundation (Hyperemesis Education and Research)

  • PubMed: Clinical reviews on the management of hyperemesis gravidarum

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-05-08
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
7 answers
-Severe nausea and or vomiting that you are unable to eat and drink or function.
-Food aversions.
-Weight loss of 5% or more of pre-pregnancy weight.
-Decrease in urination.
- Brown or orange urine.
-Dehydration.
-Headaches.
-Confusion.
-Hallucinations due to severe dehydration.
-Fainting.
-Jaundice.
-Extreme fatigue.
-Low blood pressure.
-Rapid heart rate.
-Sweating and or chills.
-Body ache.
-Stomach pain severe.
-Burning pain in throat from vomiting/ throat raw due to extreme vomiting.
-Battery acid heartburn.
-Loss of skin elasticity.
-Anxiety/depression.
-Content nausea that affects everyday life.
-Unusual thoughts or behaviors.
- Vomiting and unable to hold food or fluids down.
-Ketones in your urine.
-Everything you drink or eat comes back up.
-Unable to eat or drink due to severe nausea.
-Anemia.
-Body odor (from rapid fat loss & ketosis)
-Decreased urination.
- Feeling pressure you have to pee and only pee a drop.
-Dehydration/Malnourishment.
-Dry, furry tongue.
-Cracked corners of lips or chapped cracked lips, that can bleed.
-Excessive salivation you must spit out.
-Extreme fatigue more than normal.
-Fainting or dizziness combined
-Gall bladder dysfunction
-Hypersensitive gag reflex
-Increased sense of smell( Like a hound dog)
-Intolerance to motion/noise/light.
-Ketosis.
-Liver enzyme elevation.
-Loss of skin elasticity.
-Low blood pressure.
-Overactive thyroid or -parathyroid.
-Pale, waxy, dry skin.
-Rapid heart rate.
-Vitamin/electrolyte deficiency.
-Vomiting of mucus, bile or blood.
- The need to chug water or liquid so you' not vomiting acid/bile/Blood.
-Extreme thirst,hunger
Intense nightmares or odd dreams.
-Feeling like you want to die
-Depression suicidal thoughts

Posted Mar 31, 2017 by Starr Andrews StrongHGactivist 1202
For me the worst symptoms of HG were the intense nausea and unrelenting vomiting.

Posted Apr 26, 2017 by Hannah 601
Excessive vomiting, feeling so weak you can't make it to the bathroom to vomit,feeling so nauseated at the slightest of smells, even your own saliva make you vomit, I would definitely get rid of the excess vomiting

Posted May 18, 2017 by kaya 1000
Constant nausea and vomiting

Posted Aug 21, 2017 by Samantha 2160
Dehydration is dangerous and sometimes fatal when left untreated-in my opinion, this is the most limiting symptom as it can affect each and every body system.

Posted Aug 21, 2017 by Ashley 2550
Unending vomiting all day , overly hieghtened sense of taste,smell and feeling, dehydration ,lethargy

Posted May 5, 2018 by Mary 3700

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