A note before you read on...

Symptoms alone cannot diagnose celiac disease. Only medical testing can confirm it. This article helps you recognise a pattern so you can have an informed conversation with your doctor. If what you read here sounds familiar, please do not self-diagnose or go gluten-free before getting tested. The reason for that will become clear by the end of this article.

There is a particular kind of exhaustion that comes from being unwell for a long time without knowing why.

Not dramatically unwell. Not the kind of sick that brings people to the emergency room or triggers urgent investigations. Just persistently, quietly, exhaustingly unwell in ways that are difficult to explain to a doctor in a ten-minute appointment.

The bloating that arrives reliably after most meals and stays for hours. The tiredness that eight hours of sleep does not seem to touch. The child who is growing more slowly than their cousins and always seems to have a stomachache. The anaemia keeps coming back, no matter how many iron tablets you take. The feeling, which you have almost stopped mentioning because no one seems to know what to do with it, that your body is working against you.

If any of this sounds like your life, or your child's life, you may be reading the right article.

Celiac disease in India is underdiagnosed on a significant scale. Its symptoms overlap with many common conditions; it presents differently in different people, and for most patients, the road to diagnosis is long and marked with wrong turns. This article is about what celiac disease actually feels like. In an Indian body. Eating Indian food. Living an Indian life.

We will cover the classic symptoms, the symptoms that get missed entirely, the conditions it gets confused with, and what to do if you recognise yourself in these pages. At every point, the goal is the same: to help you ask the right questions of the right doctor.

 

How common is celiac disease in India, and how does it get missed?

Celiac disease in India is not rare. It only looks rare because it goes unrecognised.

Research from northern India has found the prevalence of celiac disease to be approximately 1 in every 96 people, making it more common than previously understood. A large multi-region study found the disease was most prevalent in northern India, where the rate reached around 8.5 per thousand people, compared to around 0.11 per thousand in southern India. The difference maps closely to average daily wheat intake rather than to any fundamental genetic difference between populations. The more wheat a region eats, the more celiac disease appears.

This means that in wheat-eating states like Punjab, Haryana, Uttar Pradesh, Rajasthan, and Delhi, celiac disease is not a rare condition encountered only occasionally in a specialist clinic. It is a common disease that, for the most part, simply isn't being found.

 

Why it goes undiagnosed

Three factors work together to keep celiac disease invisible.

The first is awareness. Outside large cities and teaching hospitals, knowledge of celiac disease among general practitioners remains limited. A doctor who has never seen a diagnosed case is unlikely to think of testing for it. In rural and semi-urban India, the condition remains largely unknown.

The second is symptom overlap. The most common symptoms of celiac disease in India, such as anaemia, fatigue, and digestive complaints, are extremely common in the general population. They are routinely attributed to diet, stress, infection, or overwork. Nothing about them signals a need to test specifically for celiac disease unless the doctor is specifically looking.

The third is presentation. Most information about celiac disease, online and in medical education, describes a Western patient profile. The Indian presentation of celiac disease is different in several important ways, and doctors trained on Western material may not recognise it.

Studies from Indian teaching hospitals have documented that the average age at which children with celiac disease are brought for diagnosis is between 6.8 and 9.2 years. Symptoms in most of these children began around age 3 or 4. That is a gap of three to six years in which a child was unwell, and the cause was present but unfound.

For adults, the gap is often far longer.

 

The iceberg that describes this disease

Gastroenterologists often describe celiac disease as an iceberg. The visible tip is the classic presentation: a child who is clearly unwell, visibly thin, with persistent diarrhoea and obvious growth failure. This presentation is documented in Indian literature and is relatively more likely to be recognised.

Below the waterline is a far larger group. People with symptoms that are mild, fluctuating, or entirely outside the digestive system. People who feel unwell but whose bloodwork comes back mostly normal. People who have learned to manage their discomfort rather than investigate it. People who have been told, more than once, that nothing is wrong.

This article is largely about the part of the iceberg that is underwater.

 

The classic symptoms: What celiac disease looks like when it presents clearly

These are the symptoms that appear in most descriptions of celiac disease. They are real, and they are common. But understanding them in the specific context of Indian life makes a difference.

 

Digestive symptoms

Chronic diarrhoea: This is the symptom most associated with celiac disease in the medical literature. In a large study of children with celiac disease in India, diarrhoea was a presenting symptom in 58.2 percent of cases. But "diarrhoea" in this context does not mean a stomach bug that passes in two days. It means a pattern of loose, frequent stools that has been present for months or years. A pattern that comes and goes. A pattern that reliably worsens after certain meals and that has been attributed, over time, to street food, seasonal changes, stress, or simply a sensitive stomach.

In India, digestive complaints are so common in the general population, from water quality, food handling, and seasonal infections, that persistent diarrhoea can be normalised over the years. The person who has always had a "weak stomach" may have had celiac disease the entire time.

Abdominal pain and bloating: Abdominal pain was a presenting symptom in 64.2 percent, and abdominal distension in 61.2 percent of children in the same Indian study. In adults, this typically presents as a feeling of fullness and pressure in the abdomen that arrives after eating and lingers for hours. The bloating can be visible, particularly in children, where a distended belly is one of the more recognisable markers of celiac disease. It often feels like being full of air rather than like conventional stomach pain.

In India, this is very commonly attributed to eating too much, eating too quickly, or drinking cold water with meals. Many patients have been managing this symptom with digestive aids for years before anyone thinks to investigate further.

Constipation: This surprises many people, because celiac disease is so strongly associated with diarrhoea in popular understanding. But constipation is also a documented presentation of celiac disease. In some people, the pattern alternates between constipation and loose stools, which is consistently misdiagnosed as irritable bowel syndrome. If your bowel pattern is erratic and unpredictable over a long period, that is worth noting alongside any other symptoms on this list.

Nausea after eating: A persistent, low-grade nausea that follows meals. Not usually severe enough to cause vomiting every time, but present often enough that eating begins to feel like something to get through rather than enjoy. This is frequently treated as acidity or gastritis in Indian clinics, and antacids are prescribed that address the feeling without touching the underlying cause.

 

Symptoms outside the digestive system

This is where celiac disease becomes genuinely difficult to recognise. Many people with celiac disease in India, particularly adults, have minimal or no digestive symptoms. Their celiac disease is expressing itself in the rest of their body, and unless a doctor specifically thinks to connect these symptoms to gluten, the diagnosis is never made.

Anaemia that does not get better: Celiac disease damages the lining of the small intestine, specifically in the section where iron is absorbed. Even when someone is eating iron-rich foods or taking iron supplements, their damaged intestine cannot absorb enough iron for the body to use. The result is persistent iron-deficiency anaemia that responds only partially to treatment and then recurs.

This pattern, iron-deficiency anaemia that keeps coming back despite supplementation, is one of the most important signals for celiac disease in India, and it is one of the most overlooked. Women are particularly affected, because recurrent anaemia in women is almost universally attributed to menstrual blood loss or dietary inadequacy rather than investigated for a malabsorption cause.

Deficiencies of vitamin B12, folate, calcium, and vitamin D are also very common in untreated celiac disease, all resulting from the same mechanism: intestinal damage that impairs nutrient absorption.

Fatigue that sleep does not fix: Not the tiredness of a long day. A heaviness that is present when you wake up, that makes concentration feel effortful, that makes small tasks take much longer than they should. This fatigue is a cumulative consequence of several things happening simultaneously: malabsorption of iron, B12, folate, and vitamin D, combined with the low-grade systemic inflammation that celiac disease produces continuously until gluten is removed from the diet.

In India, unexplained fatigue, particularly in women, is frequently attributed to overwork, family responsibilities, or stress. It is rarely investigated as a symptom of a medical condition.

Growth faltering and short stature in children: Growth faltering was the most common presenting symptom in Indian children with celiac disease, appearing in 70 percent of cases in a major Indian study. In a separate north Indian study, short stature was the most common manifestation overall at 52.3 percent, followed by anaemia at 47.3 percent.

A child with celiac disease is not absorbing the nutrients their growing body needs. The result is a child who grows more slowly than their siblings, whose height consistently falls below what is expected for their age, and who may be visibly thinner and less energetic than their peers.

In India, short stature in children is extremely common and is generally attributed to genetics, diet, or socioeconomic circumstances. Celiac disease as an underlying cause is very rarely suspected. This is a significant gap, because growth improvement after a celiac diagnosis and a gluten-free diet is well-documented. A child who receives the correct diagnosis and begins the correct diet can resume a more normal growth trajectory.

 

The silent presentation: Symptoms that get missed entirely

In one cohort of patients in northern India, 29 percent presented with what researchers described as atypical non-diarrhoeal disease, meaning their primary symptoms had nothing to do with their digestive system. This is the part of the celiac disease iceberg that accounts for the longest diagnostic delays and the most patient suffering.

 

Skin symptoms

Dermatitis herpetiformis: This is a skin condition that is directly caused by celiac disease. It presents as small, intensely itchy blisters and raised patches that appear on the elbows, knees, buttocks, and the back of the neck, usually in a roughly symmetrical pattern. The itching is often described as one of the most persistent and distressing symptoms of celiac disease, worse at night and not fully relieved by topical treatments.

Many people with dermatitis herpetiformis have no digestive symptoms at all. The skin condition is their only outward sign of celiac disease, and it is almost always treated as a dermatological problem. Creams, antihistamines, and steroid prescriptions manage the symptoms without anyone investigating the gut. A skin biopsy of an active lesion can be diagnostic for celiac disease, but this test is rarely performed unless a dermatologist specifically suspects the connection.

General skin changes: Beyond dermatitis herpetiformis, many people with celiac disease describe bruising, slow wound healing, and general skin sensitivity. These are consequences of deficiencies in vitamin K, zinc, and other nutrients absorbed in the small intestine.

 

Neurological symptoms

Brain fog: This phrase is used imprecisely in health content, so it is worth being specific about what it means in the context of celiac disease. It is difficulty in finding words mid-conversation. A mental slowness that does not clear after sleeping or resting. A feeling of trying to think through something dense and resistant. Difficulty concentrating on tasks that used to feel automatic. It is not depression, though the two can coexist. It is a cognitive impairment that many people with untreated celiac disease describe, and that typically improves on a strict gluten-free diet.

This symptom is very rarely connected to digestion in India. It is attributed to age, stress, overwork, or nothing in particular.

Tingling or numbness in the hands and feet: A consequence of vitamin B12 deficiency caused by impaired absorption. B12 is essential for nerve function, and when levels fall low enough, peripheral neuropathy begins, experienced as tingling, numbness, or a burning sensation in the extremities. In India, B12 deficiency is already very common due to vegetarian and vegan diets, so this symptom is routinely attributed to diet rather than to malabsorption caused by intestinal damage.

Persistent headaches and migraines: There is a documented association between celiac disease and migraine frequency. Not every person who has migraines has celiac disease, but in someone who also has other symptoms on this list, frequent migraines are worth noting as a possible part of the picture.

Anxiety and depression: The relationship between celiac disease and mental health is real and works in multiple directions. The chronic inflammation of untreated celiac disease affects the gut-brain axis in ways that contribute to anxiety and depression. The nutritional deficiencies, particularly B12, folate, and vitamin D, also affect mood and cognitive function. And the psychological cost of being persistently unwell without a clear diagnosis carries its own mental health burden. Studies have shown that quality of life scores for people with untreated celiac disease, including the anxiety and depression dimensions, are significantly below population averages, and that these scores improve meaningfully after diagnosis and treatment.

 

Reproductive and hormonal symptoms

Unexplained infertility and pregnancy loss: This is among the lesser-known presentations of celiac disease and among the most distressing. Malabsorption of folate, zinc, iron, and other nutrients essential to reproductive health can affect fertility in both men and women. Women with untreated celiac disease have higher rates of miscarriage, preterm birth, and low-birthweight babies. Gastroenterological guidelines in several countries now recommend celiac disease testing for women with unexplained infertility or recurrent pregnancy loss. This testing is rarely done in India.

Irregular or absent menstrual cycles: Nutritional deficiencies from malabsorption can disrupt hormonal function. Irregular periods in women with untreated celiac disease are common and are typically attributed to PCOD, stress, or being underweight, without the malabsorption cause being investigated.

Joint pain: A diffuse, often migratory joint pain that can affect multiple joints and does not respond consistently to standard pain relief. Arthritis and joint pain are documented extra-intestinal manifestations of celiac disease in Indian medical literature. When joint pain appears alongside other symptoms on this list, it is worth raising with a doctor.

 

Bone and dental symptoms

Bone pain and osteoporosis: Poor calcium and vitamin D absorption over years leads to reduced bone density. Young adults who are found to have unexplained osteoporosis, which should be unusual before middle age, should be evaluated for celiac disease. Bone pain, particularly in the back, hips, and legs, can be a symptom of calcium deficiency from malabsorption.

Dental enamel defects: A less well-known but very specific marker: pitting, horizontal grooving, or discolouration of dental enamel that appears in a symmetrical pattern on permanent teeth. This occurs because the enamel was forming during a period of severe nutritional deficiency. It is irreversible but diagnostic. A dentist who is aware of this association can sometimes be the first person to suggest celiac disease testing.

 

Celiac disease in children: What Indian parents need to know

Children with celiac disease often cannot describe what they are experiencing in a way that raises alarm. They do not know that their energy level is lower than it should be. They do not know that their stomach aches are not what everyone else feels. They simply exist within the experience, and it is adults who must notice the pattern.

 

In babies and toddlers

Symptoms typically begin when wheat is introduced into the diet, usually around 6 to 8 months. What to watch for in the weeks and months after wheat introduction: a change in stool consistency, visible distension of the abdomen, increased irritability and difficulty settling, poor weight gain relative to earlier growth, and reluctance to eat. In some babies, there is also persistent vomiting after meals.

These symptoms individually are common in babies for many reasons. It is the pattern and timing, specifically their emergence or worsening after wheat is introduced, that matters.

 

In school children

The picture changes as children get older. Digestive symptoms may become less obvious or may fluctuate. What is more visible is a child who seems consistently less energetic than peers, who complains of stomach aches that adults have begun to regard as habitual, who has difficulty concentrating at school, who gets frequent headaches, and who is growing more slowly than classmates.

The average age at which Indian children with celiac disease are brought for diagnosis is between 6.8 and 9.2 years. That gap between symptom onset and diagnosis represents years in which a child's intestines were being damaged, and their development was being affected.

 

The family history connection

Celiac disease has a strong genetic component. First-degree relatives of a diagnosed celiac patient carry a significantly higher risk of having the disease themselves, whether or not they have obvious symptoms. Siblings, parents, and children of diagnosed individuals should be screened, even if they feel well. Silent celiac disease, where there are no obvious symptoms but active intestinal damage and nutritional deficiencies are present, is well documented in family members of diagnosed patients.

 

For parents

If your child has been diagnosed with celiac disease, consider asking your doctor about screening for other family members. If another family member has been diagnosed, ask about screening your child even if they appear healthy. A simple blood test can identify whether the risk is present.

What celiac disease gets mistaken for in India

The average time from first symptoms to an official celiac disease diagnosis is documented at six to ten years or more in countries where the disease is relatively better understood. In India, where the starting point of awareness is lower, the delay is likely longer for many patients.

These are the conditions that celiac disease is most commonly confused with in the Indian clinical context.

Condition	Why the confusion happens and what is different
Irritable Bowel Syndrome (IBS)	The most common misdiagnosis. The symptom overlap in bloating, pain, and irregular stools is extensive. The critical difference: IBS does not cause intestinal damage, anaemia, nutritional deficiencies, or symptoms outside the gut. If your IBS diagnosis came with anaemia, growth issues in your child, or skin or joint symptoms, ask about celiac testing.
Stress and anxiety	Digestive symptoms in India are very frequently attributed to stress. This is not always wrong, but it can prevent further investigation for years. Celiac disease produces real, measurable physiological changes. It is not caused by stress.
Lactose intolerance	Secondary lactose intolerance is extremely common in celiac disease. The enzyme that digests lactose is produced in the intestinal lining that celiac disease damages. Many people are correctly identified as lactose intolerant without anyone recognising that the intolerance has a cause that can be treated. When the intestinal lining heals on a gluten-free diet, lactose tolerance often improves.
Iron deficiency from diet	Recurrent iron deficiency anaemia is rarely investigated for malabsorption causes in India. It is assumed to reflect dietary insufficiency and treated with supplementation. If anaemia recurs despite treatment, malabsorption should be considered and celiac disease tested.
Infectious illness	In children with an acute presentation, the initial symptoms can be mistaken for a gastrointestinal infection, particularly in a context where such infections are common. The chronic, recurrent nature of celiac symptoms should eventually distinguish them from infection, but the initial investigation is sometimes misdirected.
PCOD and hormonal disorders	Irregular menstrual cycles and hormonal disruption from celiac disease are routinely attributed to PCOD in India without the underlying malabsorption cause being considered.

 

If this applies to you

If you have been living with any of these diagnoses but your symptoms have not fully resolved, or if you have a combination of conditions from this table alongside any digestive symptoms, it is reasonable to ask your doctor specifically about testing for celiac disease. You do not need a gastroenterologist to order the initial blood test.

 

The emotional reality of being undiagnosed for a long time

The self-doubt that builds when doctor after doctor tells you they cannot find anything wrong. The slowly accumulating sense that you are exaggerating, or anxious, or simply not coping well with normal life. The particular difficulty of this is in Indian families, where expressing persistent physical complaints without a clear diagnosis is often met with pragmatism rather than extended sympathy.

Parents of children with celiac disease frequently describe guilt when the diagnosis finally arrives. Years of feeding a child roti, paratha, and upma every day, not knowing it was the cause of their child's chronic illness. This guilt is understandable, and it is misplaced. Celiac disease in India is underdiagnosed because awareness is limited. Parents are not failing their children. A medical system that has not yet built celiac awareness into standard care is where the gap lies.

Research has found that quality of life scores for people with untreated celiac disease are significantly below the population average across multiple dimensions, including physical health, energy, social functioning, and mental health. These scores improve substantially after diagnosis and the start of a gluten-free diet. The relief that people describe at diagnosis is not only the relief of knowing what to do next. It is the relief of learning that they were not imagining it. The symptoms were real. There was a cause. And it has a solution.

There is no easy way to compress years of undiagnosed illness into a few sentences. But it is worth naming here because many people who read this article will have been through it, and the experience deserves to be acknowledged directly rather than glossed over in the move toward practical advice.

 

If this sounds familiar: What to do next

Reading through a list of symptoms and recognising yourself is not a diagnosis. But it is a legitimate reason to ask your doctor a specific question. Here is a clear, practical path forward.

Step 1: Keep eating gluten until you have been tested

This is the most important thing in this article

Do not go gluten-free before getting tested for celiac disease. The tests rely on your immune system actively responding to gluten. If you stop eating gluten before the blood test, antibody levels drop, and the test can return a false negative result, missing a real diagnosis. Keep eating your normal diet, including roti, paratha, bread, or anything else containing wheat, until the testing is complete.

 

Step 2: Ask for the right blood test

The primary blood test for celiac disease is the anti-tissue transglutaminase IgA antibody test, commonly abbreviated as anti-tTG IgA. This test is available at most diagnostic labs in Indian cities. When your doctor orders it, ask them also to check your total IgA levels. A small percentage of people have IgA deficiency, which makes the anti-tTG test unreliable; if total IgA is low, a different antibody test is needed.

A positive or elevated anti-tTG result is a strong signal for celiac disease, but it is not the final word on its own.

 

Step 3: Get a biopsy for confirmation

A confirmed celiac disease diagnosis requires an endoscopy with a small intestine biopsy. The biopsy shows whether there is actual damage to the intestinal lining, which is the defining marker of celiac disease. This is done by a gastroenterologist. A positive blood test followed by a biopsy confirming intestinal damage is the standard diagnostic process.

 

Step 4: See a gastroenterologist

A general physician can order the initial blood test, which is a completely reasonable first step. But a gastroenterologist should be involved in confirming the diagnosis, interpreting the biopsy, and advising on the dietary transition. In major Indian cities, gastroenterologists with experience in celiac disease are available at most large hospitals.

 

Step 5: Approach the dietary change with good information

Going gluten-free is the only treatment for celiac disease, and it works. But it requires understanding which foods are safe, which common Indian ingredients carry hidden gluten risks, how to avoid cross-contamination in the kitchen, and how to source products from certified gluten-free facilities. This is manageable. It becomes much easier with the right resources.

 

From Dowbox

Dowbox sources and supplies certified gluten-free flours, spices, and pantry staples from FSSAI-certified producers who process in dedicated gluten-free facilities. We are a member of the Celiac Society of India. Our starter kit is designed specifically for families beginning the gluten-free transition. 

To conclude...

Getting a celiac disease diagnosis changes how you eat. It does not limit your life.

Indian cuisine is, in many respects, built on naturally gluten-free ingredients. Rice, lentils, millets, vegetables, spices, most traditional fermented foods, many regional staples. The centuries of naturally gluten-free cooking embedded in South Indian, Rajasthani, Maharashtrian, and other regional traditions did not disappear when wheat became ubiquitous. It is still there.

The challenge of celiac disease in India is not finding something to eat. It is navigating a food environment where wheat has become central, where hidden gluten in processed foods and shared cooking surfaces creates real risks, and where certified safe options have historically been hard to find.

That is changing. Awareness is growing. Certified products are becoming more available. And the first step, which is always the same, is getting the right diagnosis.

If this article has raised a question for you, take it to your doctor. Bring this list of symptoms if it helps. Ask specifically about the anti-tTG IgA test. The conversation is worth having.

 

Frequently Asked Questions (FAQs)

What are the first signs of celiac disease in India?

The most commonly reported first signs are abdominal pain, bloating, loose stools, and fatigue. In children, growth faltering and anaemia are often the first signals that prompt investigation. In adults, anaemia that does not improve with supplementation is frequently the initial presenting symptom.

Can you have celiac disease without diarrhoea?

Yes. A significant proportion of people with celiac disease, particularly adults, have no diarrhoea at all. Their symptoms may be skin-related, neurological, hormonal, or orthopaedic. The absence of diarrhoea does not rule out celiac disease.

What does celiac stomach pain feel like?

Most people with celiac disease describe a dull, persistent abdominal discomfort accompanied by bloating rather than sharp pain. It tends to arrive after eating and can last for several hours. Some people describe it as a heavy, full-of-air feeling. Cramping is also common. The character and intensity vary considerably from person to person.

Is celiac disease common in India?

More common than generally recognised. Research from northern India suggests a prevalence of approximately 1 in 96 people. The disease is more common in wheat-eating regions of north India but is present across the country.

Can celiac disease cause anaemia?

Yes, and this is one of its most common presentations in India. Celiac disease damages the section of the small intestine where iron is absorbed. Even with adequate dietary intake or supplementation, the body cannot absorb enough iron. Recurring iron deficiency anaemia that does not respond consistently to treatment should prompt testing for celiac disease.

At what age does celiac disease appear in children?

Symptoms can begin as early as 6 to 8 months of age when wheat is first introduced. The average age of diagnosis in Indian children is between 6.8 and 9.2 years, though symptoms in most cases began much earlier. The gap represents the average diagnostic delay.

How is celiac disease different from wheat allergy?

Wheat allergy is an immune reaction to wheat proteins that typically produces immediate symptoms such as hives, swelling, or respiratory symptoms, and is managed by avoiding wheat. Celiac disease is an autoimmune condition triggered by gluten, a protein found in wheat, barley, and rye. It causes long-term intestinal damage and nutritional deficiencies, and its symptoms are often delayed and systemic rather than immediate.