Ordinary nausea and vomiting of pregnancy, NVP, affects about 70 to 80 percent of Indian pregnancies. It is uncomfortable, sometimes miserable, but it lets you keep down enough food and water to stay nourished and hydrated, and it almost always settles by 16 to 20 weeks. Hyperemesis gravidarum is something quite different. It affects only about half a percent to 2 percent of pregnancies, it is severe and persistent rather than uncomfortable, it causes measurable weight loss, dehydration and ketones in the urine, and it usually does not resolve without medical treatment. Treating HG as a worse version of morning sickness is one of the most common and most harmful mistakes Indian families, employers and even some clinicians make.

The practical difference matters. A woman with morning sickness benefits from ginger, vitamin B6, small frequent bland meals and sometimes a short course of doxylamine plus B6 — the guidance covered in our morning sickness management guide for India. A woman with HG also needs all of that, but she usually needs prescription anti-nausea medication early, IV fluids when oral intake fails, careful electrolyte and thiamine replacement to prevent dangerous complications, and sometimes a hospital admission of three to seven days. Recognising the line between the two — and crossing it without shame or delay — is the single most important thing this guide can teach you.

• Loss of more than 5 percent of your pre-pregnancy weight. For a 55 kg starting weight that is roughly 2.8 kg lost; for a 65 kg starting weight it is around 3.3 kg. This is the single most quoted threshold and the one your obstetrician will check first.
• Ketones detected in a simple urine dipstick test. Ketones appear when the body starts breaking down its own fat for energy because not enough food is going in, and they are a reliable sign that nausea has tipped into starvation physiology.
• Signs of dehydration on examination — a fast resting heart rate, low blood pressure on standing, dry mouth and tongue, decreased urine output (less than a small cup in eight hours), and dark concentrated urine.
• Persistent vomiting that prevents you from keeping down even small sips of water or plain food for more than 24 hours, despite home remedies and simple anti-nausea medication.
• Need for hospital admission for intravenous fluids, electrolyte correction or anti-nausea medication. Many guidelines treat the need for IV care as itself part of the HG definition.

• A history of HG in a previous pregnancy is by far the strongest risk factor — recurrence rates are around 80 percent, which is why pre-conception counselling and a written plan for the next pregnancy matter so much.
• Multiple pregnancy — twins, triplets or higher — because two or more placentas produce far more hCG, which is the main driver of pregnancy nausea.
• Molar pregnancy, where abnormal placental tissue produces extreme levels of hCG. Severe early vomiting is often the first clue and your obstetrician will arrange an ultrasound to rule this in or out.
• A personal history of motion sickness, travel sickness or sensitivity to vestibular triggers — the same brain pathways are involved in pregnancy nausea.
• A history of migraine, especially migraine with nausea, which also shares brain pathways with pregnancy vomiting.
• First pregnancy. HG is more common in primigravidas, possibly because the hormonal surge feels more abrupt to a body that has never been pregnant before.
• A close family history of HG in your mother or sisters, suggesting a genuine genetic component that researchers are still mapping.

The most serious untreated complication is Wernicke's encephalopathy, a brain injury caused by severe vitamin B1 (thiamine) deficiency. Because the body uses thiamine to process glucose, giving IV glucose to a thiamine-deficient woman before replacing thiamine can actually trigger Wernicke's — which is why every responsible HG admission in India starts with IV thiamine 100 mg before any dextrose-containing fluid. Untreated Wernicke's causes confusion, abnormal eye movements and an unsteady gait, and it can leave permanent memory damage even after treatment. This is the single biggest reason not to delay hospital care.

Other untreated complications include severe electrolyte imbalances (low sodium, potassium and chloride from continuous vomiting), Mallory-Weiss tears of the lower oesophagus from forceful vomiting (which can cause blood in vomit), acute kidney injury from dehydration, blood clots in the legs or lungs from bedrest plus dehydration, and a real risk of preterm labour and low birth weight if severe HG continues into the second half of pregnancy. The mental health impact — anxiety, depression, post-traumatic stress disorder and even suicidal thoughts — is also serious enough that it is covered in its own section below. Maternal death from HG is rare in modern Indian practice but is documented in women who present extremely late, especially in remote areas without IV access.

• A detailed history — when nausea started, how many times you have vomited in 24 hours, how much weight you have lost, how much urine you have passed, and how many days you have been unable to eat or drink normally.
• A bedside examination including pulse, blood pressure lying and standing, weight, signs of dehydration in the mouth and skin, and a quick check of the abdomen.
• Urine routine on a dipstick to look for ketones, specific gravity (concentration) and any sign of urinary infection — UTI can both mimic and worsen HG.
• A blood test panel including serum sodium, potassium, chloride, urea and creatinine to assess hydration and kidney function, plus a complete blood count.
• Liver function tests (LFT) — HG often mildly raises liver enzymes, but the test is also done to rule out viral hepatitis, gallstone disease and the rare pregnancy condition acute fatty liver.
• Thyroid function tests (TFT) because hyperthyroidism can present as severe vomiting in pregnancy and needs separate treatment.
• An ultrasound scan to confirm a single live intrauterine pregnancy at the expected gestational age and to rule out twins, triplets or a molar pregnancy.
• A PUQE score (Pregnancy Unique Quantification of Emesis) — three quick questions about nausea hours, vomiting episodes and retching that grade severity as mild, moderate or severe and guide treatment intensity.

Mild HG (PUQE 7 to 12) is usually treated at home. The first step is pyridoxine (vitamin B6) 25 mg three or four times a day, available cheaply over the counter, often combined with a standardised ginger preparation around 250 mg four times a day. The next step, and the international first-line prescription, is doxylamine 10 mg plus pyridoxine 10 mg as a fixed combination — sold in India as Doxinate, Diclectin and similar brands at roughly 50 to 150 rupees per strip. The usual dose is two tablets at bedtime with an extra one in the morning or afternoon if needed, and it has decades of safety data in pregnancy.

Moderate HG (PUQE 13 to 15) needs stronger anti-nausea medication. Ondansetron 4 to 8 mg two or three times a day — sold as Emeset, Vomikind and Ondem at roughly 30 to 150 rupees per strip — is widely used in India and is highly effective. There is an ongoing debate about a small possible increase in cleft lip or cleft palate when ondansetron is used in the first trimester; the absolute risk, if it exists at all, is in the range of about 3 extra cases per 10,000 exposed pregnancies, and most international guidelines still consider it acceptable when nausea is severe enough to threaten hydration and nutrition. Your obstetrician should have this conversation honestly with you. Metoclopramide (Perinorm) 10 mg three times a day is another option that is often used when ondansetron is not available, not tolerated or being deliberately avoided in the first trimester.

Severe HG (PUQE above 15, or any HG admission criteria) needs hospitalisation. The standard Indian inpatient protocol is IV normal saline with potassium chloride added once urine output is confirmed, IV thiamine 100 mg given before any dextrose-containing fluid to prevent Wernicke's encephalopathy, IV ondansetron 4 to 8 mg every 8 hours and IV pantoprazole or ranitidine for acid suppression. In genuinely refractory cases, a short course of IV methylprednisolone 16 mg every 8 hours with a taper is used as a last resort. Total parenteral nutrition (TPN) is reserved for the rare extreme case where IV fluids alone cannot maintain nutrition. Anti-thrombotic stockings and a prophylactic dose of low molecular weight heparin (LMWH) are routine because the combination of bedrest and dehydration raises clot risk.

Admission is the right answer when oral intake has failed for more than 24 hours despite a fair trial of anti-nausea medication, when there are objective signs of dehydration on examination, when urine ketones are persistently positive, when serum electrolytes are significantly deranged, or when there are any signs of an emerging serious complication — blood in vomit, severe abdominal pain, confusion, dark urine for more than 8 hours, or fainting on standing. Earlier admission is almost always better than later. A woman who comes in after one day of failed oral intake usually goes home in 24 to 48 hours; a woman who waits three days at home often needs four to seven days as an inpatient and is in genuine danger by the time she arrives.

Bedrest in hospital, IV fluids, IV antiemetics and a quiet calm environment with subdued lights and few smells will let most women hold down sips of water by the second day and progress to small bland meals — plain khichdi, curd rice, idli without chutney — by day three. Discharge is on oral antiemetics with a follow-up plan in the obstetric outpatient department, and your obstetrician will give you clear instructions on when to come back. About 20 percent of HG women need at least one repeat admission later in pregnancy, which is normal and not a failure.

HG is a relentless illness, often invisible to family and colleagues, and the mental health toll is real and measurable. Research consistently shows that around 1 in 3 women who survive severe HG develop symptoms of post-traumatic stress disorder, and about 1 in 5 develop postpartum depression. Some women feel detached from the baby they have suffered so much for, some develop a deep fear of any future pregnancy (tokophobia), and a smaller but important group experience suicidal thoughts in the worst weeks. None of this is weakness or ingratitude. It is what happens when a body and mind are pushed past their normal coping range by an illness most people around you do not understand. The advice in our companion guide on postpartum depression as more than sadness applies fully here, and many of the same supports help.

If you are in crisis right now, please reach out — iCall on 9152987821, Vandrevala Foundation on 1860-266-2345 and Tele-MANAS on 14416 are free, confidential and trained to support pregnant women. Tell your obstetrician honestly how you are coping, not just how the vomiting is going — a good obstetrician will refer you to a perinatal mental health professional without judgement. If your obstetrician brushes off your mental health concerns the way some still brush off HG itself, our guide on what to do when doctors do not listen offers practical scripts and second-opinion options.

Government hospital care for HG is free in India. A three to seven day admission to a district hospital, medical college or a community health centre with obstetric services costs you nothing — IV fluids, IV antiemetics, blood tests, ultrasound and a bed are all covered under the public maternal health system. The free 102 pregnancy ambulance is available across most states and is the right number to call if you cannot reach a hospital by car or taxi. The 108 general emergency ambulance is the alternative where 102 has not been rolled out. Pradhan Mantri Surakshit Matritva Abhiyan (PMSMA) provides a free comprehensive antenatal check-up on the 9th of every month at every government health facility, which is a useful second opinion if your local doctor has dismissed your symptoms.

Private hospital admission for HG typically costs 15,000 to 50,000 rupees for three to seven days at a Cloudnine, Apollo Cradle, Fortis or comparable maternity-focused facility. A bed in a high dependency unit is available when needed and most private health insurance policies cover an HG admission as a pregnancy complication once the policy waiting period is past. Ayushman Bharat (PMJAY) covers a hospital admission for HG at empanelled hospitals for eligible families, which makes private-quality care accessible to households below the income threshold. If you are not sure whether you are PMJAY-eligible, the hospital social worker or the front desk can check your name against the SECC database in a few minutes.

If you have had HG once, your chance of HG in the next pregnancy is around 80 percent. That number is frightening but it is also genuinely actionable. Pre-conception counselling with your obstetrician — ideally three to six months before you start trying — lets you build a written plan: start vitamin B6 25 mg three times a day and a fixed-combination doxylamine plus B6 (Doxinate) at the first positive pregnancy test rather than waiting for symptoms to appear, keep ORS sachets and ondansetron tablets at home with your obstetrician's pre-written prescription, and identify the nearest maternity hospital with experience of HG admissions before you need it.

Optimise iron and B-vitamin stores before conception, stay well hydrated, and arrange family and work support in advance — many women find that the recurrent HG admission is much shorter and less traumatic when treatment starts on day one rather than day five. Most women who have had HG in a previous pregnancy still go on to have completed families and healthy children; the experience changes you, but it does not have to define every future pregnancy. Recurrence is also a valid reason to space pregnancies further apart, to choose a smaller family, or to consider adoption, and any of those decisions deserves respect rather than family pressure.

• You have not been able to keep down any food or even sips of water for more than 24 hours despite ginger, B6 and any prescribed anti-nausea medication.
• You have lost more than 3 kg in the first trimester, or more than 5 percent of your pre-pregnancy weight at any stage.
• You have not passed urine in 8 hours, or your urine has become dark and concentrated like strong tea.
• You feel dizzy or faint when you stand up, your heart is racing, or your mouth and tongue feel very dry.
• Your vomit contains blood or looks like coffee grounds, you have severe abdominal pain, or you have a fever above 39 degrees Celsius alongside vomiting.
• You feel confused, your vision is doing odd things, or you cannot walk in a straight line — these can be signs of Wernicke's encephalopathy and need IV thiamine within hours, not days.
• You are having thoughts of harming yourself or feel you cannot continue — call iCall on 9152987821, Vandrevala Foundation on 1860-266-2345 or Tele-MANAS on 14416 right now, and tell your obstetrician at the next visit.

The first and most damaging myth is that HG is just a bad version of morning sickness and that you should be able to power through with adrak chai, saunf and a stronger mind. This is false and it has cost women admissions, pregnancies and occasionally lives. HG is a medical condition and it needs medical treatment. The second myth — that severe vomiting means a smart, healthy or auspicious baby, or guarantees a particular sex — is also unhelpful. The research evidence is weak, sex determination by symptoms is unreliable in any individual pregnancy, and prenatal sex selection is in any case illegal in India. The reassuring part of the old saying — that some nausea is associated with slightly lower miscarriage rates — applies to mild and moderate nausea, not to HG severe enough to dehydrate you.

The third myth is that eating bigger meals will give you something to keep down and stop the vomiting. The opposite is true — a full stomach triggers more vomiting in HG, while small frequent dry snacks plus continuous sips of fluid are far better tolerated. The fourth is that achaar, very spicy or strongly fermented food will settle the stomach because they are sour. They almost always make HG worse by adding acid to an already irritated oesophagus. Listen to your body, not the kitchen committee. The fifth and quietest myth is that HG is your fault — that you are anxious, fussy or not strong enough. It is none of those things. It is an illness with a name, a treatment protocol and a recovery trajectory, and you deserve all three.