How to Say "dementia" in Spanish
The Spanish word for “dementia” is “demencia” — B2 level. This is a very common word in everyday Spanish.

Examples
Mi abuelo fue diagnosticado con demencia el año pasado.
My grandfather was diagnosed with dementia last year.
La demencia senil requiere mucha paciencia por parte de la familia.
Senile dementia requires a lot of patience from the family.
Existen diversos tratamientos para retrasar los síntomas de la demencia.
There are various treatments to delay the symptoms of dementia.
Always Feminine
Even if you are talking about a man, 'demencia' is always a feminine word. Use 'la' and 'una' with it.
Using 'de' with Conditions
To specify a type, use 'de' plus the name, like 'demencia de Alzheimer'.
Confusing Nouns and Adjectives
Mistake: “Él está muy demencia.”
Correction: Él tiene demencia (He has dementia) or Él está demente (He is insane). 'Demencia' is the name of the thing, not a word to describe a person directly.
Related Translations
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