You woke up sick on exam day in Spain. Or you have been ill all week and missed several lectures. Now your university wants official documentation — a medical certificate — and you have no idea how the Spanish system works, where to get one, or whether your university will accept a document in English. If you are an international student searching for a medical certificate Spain student guide, this is exactly what we wrote for you.
What Is a Justificante Médico — and Why Universities Require One
A justificante médico is the Spanish term for a medical certificate or doctor's note. It is an official document issued by a licensed physician confirming that you consulted a doctor, that you were unwell, and — depending on the type — that you were medically unfit to attend class or sit an exam on a specific date or during a specific period.[1]
Think of it as a receipt from a doctor's visit, but with legal weight. It is not a diagnosis letter for your parents or a casual note from a friend who happens to be a medical student. It is a formal document that carries the physician's licence number, their official stamp, and — in Spain — their registration with the Colegio Oficial de Médicos (the regional medical board). That registration is what makes it verifiable and valid.
Spanish universities require these documents because their exam regulations are legally binding. Under the Estatuto del Estudiante Universitario (Royal Decree 1791/2010), students have the right to reschedule exams and have absences excused — but only when supported by official documentation.[2] Without a valid justificante médico, the university's administrative office treats your absence as unjustified. That can mean a zero on a missed exam, a lost attendance mark, or a failed continuous assessment component — regardless of how genuinely ill you were.
For international students on Erasmus programmes or bilateral exchange agreements, the requirement is identical. Your home university's rules do not apply while you are enrolled at a Spanish institution. The Spanish university's normativa académica (academic regulations) governs everything, and those regulations require Spanish-format medical documentation.
What Your University Will Ask For
Every Spanish university has slightly different administrative procedures, but the core requirements for a medical certificate are remarkably consistent. The document must include the doctor's full name, licence number, and número de colegiado (their registration number with the regional medical board). It must state the date of the consultation, the dates you were unable to attend, and whether you are now fit to return. Most universities also expect an official stamp or seal.[3]
Some universities — particularly for exam deferrals — require the certificate to state that you were specifically unfit to sit an exam, not merely that you visited a doctor. There is an important distinction here: a note confirming "the patient attended a consultation on 15 March" is weaker than one stating "the patient was medically unfit to attend their examination on 15 March." If you are getting a certificate for a missed exam, make sure the issuing doctor knows that, so they can word it appropriately.
Most Spanish universities require the justificante médico to be submitted within 3 to 7 working days of the absence. Missing that window can mean losing the right to reschedule an exam entirely.
Deadlines vary. The Universidad Complutense de Madrid typically requires submission within five working days. The Universitat de Barcelona allows seven. Some faculties within the same university have their own rules. The safest approach is to get the certificate as soon as possible — ideally the same day or the day after you fall ill — and submit it to your faculty's secretaría (administrative office) or through the online student portal without delay. Waiting until you feel better and then trying to get a backdated certificate is much harder and sometimes impossible.
Types of Medical Certificates in Spain
Not all medical documents are the same. Spanish healthcare distinguishes between two main types of certificates, and knowing which one you need saves time and avoids rejected submissions.
Justificante Médico (Medical Attendance Certificate)
This is the most common document students need. It confirms that you consulted a licensed physician and that, in the doctor's professional opinion, you were unfit to attend university on specific dates. It does not need to include a detailed diagnosis — in fact, under Spanish patient privacy law (Ley 41/2002), universities cannot demand to know your specific medical condition.[1] The certificate states the relevant dates, confirms medical unfitness, and bears the doctor's credentials and stamp.
Certificado Médico Oficial (Formal Medical Certificate)
Some universities or specific academic processes require a more formal document — a certificado médico oficial. This is typically printed on a standardised form issued by the Organización Médica Colegial (the national medical council), includes more detailed clinical information, and may require a physical examination.[4] It is used for formal academic appeals, extended medical leave, or situations where the university needs to verify the nature or duration of a condition in more detail.
How the Spanish Healthcare System Works for International Students
If you hold a European Health Insurance Card — tarjeta sanitaria europea — you are entitled to use Spain's public healthcare system on the same terms as Spanish residents. That means you can visit a centro de salud (public health centre), see a doctor, and receive a justificante médico at no cost. The catch is practical, not legal: public health centres require you to register first, appointments are often days away, the staff rarely speak English, and the system is not designed for one-off visits by students who just need a certificate quickly.[5]
Private clinics are faster but more expensive. A consultation at a private clinic in a major Spanish city typically costs between €60 and €150, and not all private doctors are familiar with what universities require for a valid sick note. Some issue vague letters that administrative offices reject. You may also face a language barrier — explaining that you need a document worded to confirm unfitness for an exam, not merely a consultation receipt, can be difficult in a second language.
Many international students in Spain are enrolled in private health insurance through their university or home institution. These policies usually cover clinic visits, but the process of finding an in-network doctor, booking an appointment, and attending in person still takes time you may not have when you are sick and a deadline is approaching. The gap between "I have insurance coverage" and "I have the document my university needs in my hand" is often wider than expected.