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No. The test is completely non-invasive and involves only collecting samples of exhaled air. After drinking the sorbitol solution, temporary symptoms such as bloating or increased gas may occur.

The test lasts about two hours. Breath samples are taken every 15–30 minutes to assess how sorbitol is digested.

Before the test, follow the recommended diet, fast for at least 12 hours and adhere to instructions regarding medications and supplements.

The price depends on the clinic and city. In private practices it most often ranges from approximately 180 to 400 PLN.

No. Sorbitol is a sugar alcohol, whereas stevia and aspartame belong to other groups of sweeteners.

It is found most abundantly in plums, pears, apples and apricots, as well as in chewing gum and products labelled "sugar-free".

Not always, but an appropriate diet and gradual expansion of the menu help effectively reduce symptoms.

The most common symptoms are bloating, abdominal pain, diarrhoea, a feeling of fullness and excessive gas.

Yes, if a doctor considers the test appropriate. The sorbitol dose is adjusted to body weight.

Yes — it is best to choose fruits with lower sorbitol content and monitor individual tolerance.

They usually subside within a few hours.

Yes, especially when the result needs confirmation or symptoms have changed.

No. The test is painless and involves analysing exhaled air after consuming a lactose solution.

About two hours. Samples are taken regularly every 15–30 minutes.

You should fast, follow the recommended diet the day before and adhere to medication instructions.

Most often from approximately 160 to 340 PLN, depending on the clinic.

No. Lactose intolerance results from lactase deficiency, whereas allergy is an immune system reaction.

This is individual. Many people tolerate small amounts of lactose without significant discomfort.

Yes. The test is also safe for children when clinically indicated.

Natural yoghurts and aged cheeses are often better tolerated.

For many people yes — they reduce symptom severity after consuming dairy products.

Drink water, monitor symptoms and avoid further lactose-containing products until symptoms subside.

The decision is made individually by a doctor.

The primary form usually persists for life, whereas the secondary form may resolve after treating the underlying cause.

Tak, jeśli istnieją wskazania diagnostyczne.

A breath test assesses current lactose digestion, whereas a genetic test shows predisposition only.

Yes. Lactase production decreases with age in many people.

No. It is completely non-invasive.

Follow dietary, medication and fasting instructions according to the clinic's guidelines.

Most often from approximately 150 to 450 PLN.

Yes. No recovery period is required.

It begins with restricting fructose, then gradually expands the menu.

Yes. The amount of fructose is adjusted to body weight.

No. They involve different sugars and have different mechanisms.

Yes, if preparation was incorrect or individual microbiota characteristics are present.

The goal is usually symptom control through an appropriately tailored diet.

Yes, if recommended by a doctor or re-assessment is needed.