Deducing Celiac Disease Expenses in Your 2025 Income Tax Return
If you have celiac disease, you may be eligible for a deduction on your income taxes in 2025, which will be filed in 2026. This deduction is designed to offset the extra costs associated with maintaining a gluten-free diet. It’s essential to understand the specifics of this deduction, including where it applies and how to claim it effectively.
Requirements for Deduction Eligibility
While the exact criteria can vary by community, several common requirements must be met:
Official Medical Diagnosis
To qualify for this deduction, you must present an official medical report confirming your diagnosis. Simply following a gluten-free diet without a diagnosis won’t suffice. The medical document should comply with standards set by the scientific community.
No Need for Receipts
Fortunately, you don’t need to keep receipts for gluten-free purchases. The deduction is a fixed amount based on your diagnosis, which simplifies the process significantly.
Manual Addition to Your Tax Return
One important point to note is that the tax authority does not automatically include this deduction in your draft return. Therefore, you must manually add it when reviewing your tax draft.
Cumulative Per Family Member
If multiple family members are diagnosed with celiac disease, you can claim the deduction for each person, potentially increasing your total tax benefit.
Deductions by Autonomous Community
The deduction for celiac disease varies by autonomous community in Spain. Here’s a quick overview of the available deductions:
| Community | Deduction Amount | Income Limit |
|---|---|---|
| Andalusia | €100 per diagnosed family member | No limit |
| Asturias | €100 per diagnosed family member | €35,000 (individual) / €45,000 (joint) |
| La Rioja | €250 per diagnosed family member | No limit |
Andalusia
In Andalusia, taxpayers can deduct €100 for each diagnosed family member without any income limits. This community definition includes you, your spouse, and any direct relatives living with you.
If two taxpayers can claim the same deduction (such as in cases of shared custody), the amount is halved, providing €50 each.
Asturias
Asturias also provides a deduction of €100 per family member with celiac disease but imposes income limits of €35,000 for individuals and €45,000 for joint filings. Unlike Andalusia, Asturias may require some proof of additional expenses related to the condition.
The community’s definition of a family unit is stricter, typically just including the taxpayer and dependents in cases of joint assessments.
La Rioja
La Rioja offers the highest deduction of €250 per diagnosed family member. There are no income limits, making it accessible for all residents. However, it requires more thorough documentation, including a medical certificate detailing the doctor’s credentials and diagnosis.
If a shared custody situation occurs, the deduction is divided equally, resulting in €125 for each taxpayer.
How to Declare the Deduction in Renta Web
You can easily add this deduction to your income tax return by following these steps:
- Access Renta Web: Log in to the online platform to review your tax draft.
- Locate Your Community Section: Find the section relevant to your community: Andalusia, Asturias, or La Rioja.
- Select the Correct Box: Identify the specific box for your community that pertains to celiac disease.
- Indicate Eligible Family Members: Enter the number of family members eligible for the deduction.
- Adjust for Shared Custody If Necessary: If you’re sharing the deduction right with another taxpayer, specify that for correct proration.
By understanding the nuances of these deductions and following the proper procedures, individuals with celiac disease can effectively reduce their tax burden while managing their dietary needs. Be sure to check for any changes or new guidelines as you prepare for the 2026 declaration.

