In which communities it can be done and how to do it in the 2026 declaration

Let’s explain to you how and where you can have a deduction for celiac disease in your Income 2025, which is the declaration we make in 2026 to account for the last fiscal year. You can now request and submit your draft online and from the mobilebut if you have celiac disease it is important to pay attention to this deduction, because you can save a few euros.

We have already told you what they are the most important boxes that should be reviewed in the income. And we also have guides on how to deduct you home insurance, gym fee, vet expenses, glasses and contact lenses, school supplies either the rent of your habitual residence. Now, it is the turn of the expenses derived from celiac disease.

The deduction is designed to compensate for the extra costs of following a gluten-free diet. But it is important that you know that The deduction depends on the autonomous community in which you live. First because it is only available in three of them, and second because in each one there are different conditions and quantities.

Requirements in addition to the community where you live

Although each autonomous community establishes its own conditions, there are a series of common requirements that are repeated in practically all of them. These are the requirements that you should know about how to request the deduction or if you can do so.

• Official medical diagnosis: It is not enough to follow a gluten-free diet by your own decision. To be able to access this deduction you must have a medical report or certificate that confirms that you have celiac disease, in accordance with the criteria recognized by the scientific community.
• You do not need to justify the specific expenditure on food: You don’t have to keep purchase receipts or invoices for gluten-free products. This deduction is a fixed amount that will be applied just for having this diagnosis. Of course, you will always have to have the medical document.
• The deduction does not appear in the draft: This is one of those deductions that the Treasury does not automatically fill out. Therefore, it is recommended that you review the draft and add it manually.
• It is cumulative per family member: If there are several people in your home with diagnosed celiac disease, you can apply the deduction for each of them, not just for you.

Deductions for each autonomous community

We start with this table where we summarize the autonomous communities where you will be able to receive the deduction for celiac disease, as well as the amount. This way, you will have everything clear at a glance.

Deduction for celiac disease in Andalusia

In Andalusia it is established a deduction of 100 euros for each person in the family nucleus with diagnosed celiac disease. This is the only one of the three communities that does not require any tax base limitso any taxpayer residing there can access it regardless of their income.

The taxpayer himself, his spouse or partner registered in the registry of de facto couples, and the people who give the right to family minimums through ascendants or descendants are considered part of the family nucleus. Come on, it can be you, your partner if you have married or are a de facto couple, and the children, parents or grandparents who live with you.

If two taxpayers are entitled to the deduction for the same person, such as separated people or people with shared custody of a celiac child, the amount is divided equally, 50 euros for each one.

Deduction for celiac disease in Asturias

In Asturias the deduction is also 100 euros for each member of the family nucleus with a confirmed diagnosis of celiac disease. However, there are three aspects in which it is different from the other two communities. For a start, yes there is an income limit To be able to benefit from the deduction: do not exceed 35,000 euros in individual taxation or 45,000 euros in joint declaration.

In addition to this, Asturias It does require that you have expenses derived from the illness. You will not have to provide purchase invoices, but you may have a way to prove that you have actually had these extra expenses in the event that the Treasury requests it.

Asturias also has a more restrictive definition of family nucleus. It includes the taxpayer, spouse only when there are joint returns, and ascendants and descendants. If two taxpayers are entitled to the deduction for the same person, such as separated people or people with shared custody of a celiac child, the amount is divided equally, 50 euros for each one.

Deduction for celiac disease in La Rioja

La Rioja is the most generous community, since it gives you 250 euros for each person in the family nucleus who have a diagnosis of celiac disease, more than twice as many as the others. Furthermore, there are no limits on the tax base either. The family nucleus includes the taxpayer, his or her spouse and the people who give the right to family minimums through ascendants or descendants: children, parents, grandparents.

Yes indeed, La Rioja is also more demanding in documentation. Unlike the other two communities, this one does expressly mention the need to have a medical certificate that includes the complete identification of the active doctor who issues it, his or her membership number and specialty, and the date of issue and diagnosis.

If two taxpayers are entitled to the deduction for the same person, such as separated people or people with shared custody of a celiac child, the amount is divided equally, 125 euros for each one.

How to declare it in Renta Web

To add this deduction to your income, you must follow these five steps:

• Enter Web Rental and access your draft before you send it.
• Look for the section corresponding to your community: Andalusia, Asturias or La Rioja.
• Locate the specific box for your community. In Andalusia it appears as “For families with diagnosed celiac disease”; in Asturias as “For expenses derived from diagnosed celiac disease”; in La Rioja as “Due to diagnosed celiac disease.”
• Indicate the number of people entitled to the deduction within your family unit.

1. If you share the right with another taxpayer for the same person (shared custody, for example), also indicate this so that the system applies the correct proration.

In Xataka Basics | Income Guide 2025: calendar, previous steps and how to prepare for the 2026 declaration