Infection vs Inflammation

When to use each in English, with meaning, register, and examples.

 InfectionInflammation
MeaningWhen germs or bacteria get into the body and make you sick.Swelling and redness in the body, usually due to injury or infection.
CEFR levelB2-
Part of speechnoun
Usage notesUse 'infection' in medical or health contexts. It's appropriate for conversations with healthcare professionals or when discussing illnesses. Avoid using it in casual or non-serious discussions.It's commonly used in medical contexts to describe a response to injury or infection. Avoid using it in casual conversations unless discussing health topics.

Frequently asked questions: Infection vs Inflammation

What's the difference between "Infection" and "Inflammation"?

"Infection" means: When germs or bacteria get into the body and make you sick. "Inflammation" means: Swelling and redness in the body, usually due to injury or infection.

When should I use "Infection" and "Inflammation"?

They can all be used in everyday English.

Related comparisons