How to Say "dosage" in Spanish
The Spanish word for “dosage” is “dosis” — A1 level. This is a very common word in everyday Spanish.

Examples
El doctor me dijo que tomara una dosis cada ocho horas.
The doctor told me to take one dose every eight hours.
La dosis de este medicamento es muy alta para un niño.
The dosage of this medicine is too high for a child.
Necesitamos las dosis exactas para la vacuna.
We need the exact doses for the vaccine.
Always Feminine
Remember to always use feminine words before 'dosis': 'la dosis' (the dose), 'una dosis' (a dose).
Singular and Plural Look the Same!
Since 'dosis' already ends in -s, its form doesn't change when you make it plural. You only change the article: 'la dosis' (one dose), 'las dosis' (many doses).
Confusing Gender
Mistake: “El dosis.”
Correction: La dosis. Always treat it as a feminine word.
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