top of page

fructose intolerance

Fructose intolerance corresponds to the difficulty in absorbing foods rich in this type of sugar, which can lead to the appearance of some symptoms, such as nausea, vomiting, excessive sweating, diarrhea and abdominal distension after consuming foods rich in fructose. be done by the nutritionist.

Frutas coloridas

What is fructose?

Fructose is a type of sugar mainly found in fruits, however vegetables, cereals and some industrialized products also have this sugar in their composition. Thus, it is important to identify foods rich in this sugar that cause symptoms and avoid them.

Symptoms of someone who is fructose intolerant:

The main symptoms can be lack of appetite, diarrhea or constipation, excess gases, swollen belly, irritability and dizziness, in addition to:



Dor abdominal


Suor frio


Do you experience any of these symptoms after eating fructose? 
It could be an intolerance! Take the exam and find out.

How will the exam be conducted?

The exhaled air test is painless and non-invasive and studies gastrointestinal disorders (diarrhea, colic, intestinal gas and eructation). At the beginning of the test, the patient slowly blows into a portable device. The device measures the initial (basal) concentration of hydrogen. Then a small amount of fructose is ingested. Additional samples of exhaled air in the device are analyzed and measured for hydrogen every 30 minutes for three hours.


(61) 3323-7353

Send us an email

I'm on Instagram

bottom of page