What Is an Elimination Diet and How Is It Done? – Ataşehir, Istanbul
An elimination diet is a time-limited assessment in which foods suspected of causing symptoms are temporarily removed, usually for 3–6 weeks, and then reintroduced one at a time in a controlled way. The aim is not to ban foods for life but to identify the responsible food and avoid unnecessary restriction. If coeliac disease is suspected, gluten should not be cut out before testing, and a food that has caused a serious allergic reaction should not be retried at home. At our clinic in Ataşehir, Istanbul, the process is planned after a medical assessment.
An elimination diet is a time-limited eating approach used to understand the link between foods and symptoms. Foods suspected of triggering symptoms are temporarily removed and then eaten again in a controlled way to assess the body’s response.
The aim is not to ban many foods for life but to identify foods that may cause problems and avoid unnecessary restriction (NHS).
Duration and foods removed are decided individually.
Are food allergy, intolerance and sensitivity the same?
These terms are often used interchangeably but describe different conditions.
| Term | What it means | How it is assessed |
|---|---|---|
| Food allergy | An immune system reaction to a food. Some reactions are immediate, others delayed. There may be a risk of a severe allergic reaction. | Medical history, appropriate allergy tests and, where needed, a food challenge under medical supervision. |
| Food intolerance | A problem digesting or tolerating a food or one of its components. Lactose intolerance is an example. | Symptom tracking, elimination and reintroduction; a breath test where appropriate. |
| Food sensitivity | A broad term for symptoms thought to be linked to certain foods. It does not always indicate a specific immune mechanism. | Other possible causes are investigated; controlled elimination and reintroduction are used if needed. |
Symptoms appearing late do not, on their own, mean a diagnosis of “food sensitivity” (NHS inform).
Which symptoms might lead to an elimination diet?
A link with food may be investigated especially in recurring bloating, wind, abdominal pain and changes in bowel habit after meals (NHS).
People with headaches, tiredness or skin complaints may also suspect their diet, but these symptoms have many possible causes. The decision to eliminate foods should be based on your history and a medical assessment, not on symptoms alone. Not every case of eczema, fatigue or autoimmune disease needs a wide-ranging elimination diet.
What are the three main stages of an elimination diet?
1. Temporarily removing suspected foods: foods thought to be linked to symptoms are identified and avoided for the planned period, usually a few weeks; some approaches use about 3–6 weeks. Foods eaten, when symptoms start and how their severity changes are recorded. Duration and foods removed should be individual (HSE).
2. Assessing changes in symptoms: at the end of the period, symptoms are reviewed. If there is no clear improvement, other causes are considered rather than extending the restriction.
3. Controlled reintroduction: removed foods are added back one at a time according to a plan, to see which are tolerated and which bring symptoms back. Feeling better after removing a food does not prove that food is responsible; reintroduction is an essential part of the assessment (HSE).
Which foods may be assessed?
There is no fixed list of banned foods for everyone. The groups below may be considered depending on how they relate to your symptoms:
| Food group | Reason for assessment |
|---|---|
| Wheat and gluten-containing grains | May be investigated for coeliac disease, wheat allergy or non-coeliac wheat/gluten sensitivity. |
| Milk and dairy products | Lactose intolerance and cow’s milk protein allergy are assessed as different conditions. |
| Eggs and soya | May be examined if there is a history of allergy or a repeated food–symptom link. |
| Corn and other foods | Only assessed if there is a person-specific suspicion. |
| Caffeine and alcohol | May be reviewed for digestive complaints, sleep problems or personal tolerance. |
| Products high in added sugar | Can be limited as part of an overall eating pattern; this alone does not mean food sensitivity. |
Being on this list does not mean a food is harmful for everyone or must be removed.
What to watch for when reintroducing foods
Reintroduction gives clear results only if done systematically:
- Try only one food at a time.
- The amount and observation period follow the plan.
- Watch for symptoms before moving to the next food; some plans use intervals of about three days.
- Record the amount, time eaten and any symptoms in a diary.
- If symptoms return, decide the next step with your doctor or dietitian.
A food that has previously caused breathing difficulty, throat swelling, fainting or a serious allergic reaction should not be retried at home. If allergy is suspected, a food challenge should be done in an appropriate setting (NHS inform).
Is an elimination diet a permanent way of eating?
No. It is a temporary process for assessment. The goal is adequate, varied nutrition with as little restriction as possible.
Removing several food groups for a long time without supervision can make it hard to meet daily nutrient needs. Suitable alternatives should replace removed foods, and the process should be guided by a doctor or dietitian (NHS).
Should you start an elimination diet if coeliac disease is suspected?
If coeliac disease is to be investigated, gluten should not be cut out before testing. Starting a gluten-free diet early can make results falsely normal and delay diagnosis. Your diet during testing should be planned with your doctor (NICE NG20).
For nutrition in autoimmune conditions such as Hashimoto’s, see our nutrition in Hashimoto’s disease article.
What to consider before starting an elimination diet in Istanbul
Many ready-made elimination lists circulate online and on social media. Before starting, it helps to consider these five points:
- See a doctor first: non-food causes of symptoms (e.g. reflux, gallbladder, thyroid, medication side effects) should be assessed.
- Tests come first: if coeliac disease is suspected, blood tests should be done before gluten is removed.
- A personal list: not everyone should get the same long list of banned foods; foods to remove should be chosen based on your history.
- A set duration: the elimination phase usually lasts a few weeks; when and how foods are reintroduced should be planned at the start.
- Safety: foods with a history of serious allergic reaction should not be tried at home; in children and pregnancy the process must be supervised by a doctor and dietitian.
Op. Dr. Salim Balin’s clinic at Metropol İstanbul B Block is in central Ataşehir and easy to reach from Kadıköy, Ümraniye, Maltepe, Çekmeköy and Üsküdar.
Digestive symptoms and nutrition assessment in Ataşehir, Istanbul
For people with recurring bloating, wind, abdominal pain or changes in bowel habit after meals, Op. Dr. Salim Balin’s clinic in Ataşehir first assesses surgical and medical causes of the symptoms; if appropriate, a personalised, time-limited elimination and reintroduction plan is prepared together with a dietitian.
The clinic is in Atatürk Mahallesi, Ataşehir, at Metropol İstanbul B Block. Alongside Ataşehir’s Barbaros, İçerenköy, Küçükbakkalköy, Kayışdağı, Yenisahra and Ferhatpaşa neighbourhoods, we see patients from Kadıköy (Kozyatağı, Bostancı, Göztepe, Erenköy), Ümraniye, Maltepe, Çekmeköy, Sancaktepe, Üsküdar, Kartal and other districts of Istanbul.
Address: Atatürk Mahallesi, Ertuğrul Gazi Cad. No: 2H, Metropol İstanbul B Blok, Floor 18, No: 282, 34750 Ataşehir/Istanbul · Monday–Saturday 09:00–18:00 · +90 506 520 30 55 · WhatsApp · Address and directions
Frequently asked questions about the elimination diet
What is an elimination diet?
A time-limited assessment in which foods suspected of causing symptoms are temporarily removed and then reintroduced one at a time in a controlled way. The aim is to find the responsible food and avoid unnecessary restriction.
How many weeks does an elimination diet last?
The elimination phase usually lasts a few weeks; some approaches use about 3–6 weeks. Foods are then reintroduced one at a time. The duration should be individual.
How are foods reintroduced?
Try one food at a time; amount and observation period follow the plan. Some plans wait about three days before the next food. Record the amount, time and symptoms in a diary.
What is the difference between food allergy and intolerance?
Food allergy is an immune reaction and may carry a risk of severe reaction. Intolerance is a problem digesting or tolerating a food; lactose intolerance is an example.
Should I go gluten-free before a coeliac test?
No. If coeliac disease is being investigated, gluten should not be removed before testing; going gluten-free early can make results falsely normal. Plan your diet during testing with your doctor.
Is an elimination diet permanent?
No. It is a temporary assessment process. Long, unsupervised restriction can cause nutrient shortfalls; removed foods should be replaced with suitable alternatives.
Where can I get help with an elimination diet in Istanbul?
It is advisable to have non-food causes of symptoms assessed by a doctor first. Assessment is available at Op. Dr. Salim Balin’s clinic in Ataşehir (Metropol İstanbul B Block, Floor 18); a personalised plan can be prepared with a dietitian if needed. For appointments, call +90 506 520 30 55.
Sources
NHS. Food intolerance. nhs.uk ↗NHS inform. Food allergy. nhsinform.scot ↗HSE. Food allergy – diagnosis. hse.ie ↗NICE. Coeliac disease: recognition, assessment and management (NG20) – Recommendations. nice.org.uk ↗This article is for general information only. Personal diagnosis and nutrition plans require assessment by a doctor and dietitian. Images are illustrative.
Ask me
Get in touch with your questions about the elimination diet and digestive symptoms or to request an appointment.
💬 Ask me on WhatsApp — +90 506 520 30 55
✉️ Ask me by email — info@drsalimbalin.com
📍 We are at Metropol İstanbul Mall, in the best location in Ataşehir, Istanbul.
Metropol İstanbul B Block, Floor 18 · Ataşehir/Istanbul · Directions ↗
