An inflammation or irritation of tissue, often causing redness, swelling, and heat; a local bodily response to injury or infection.
傷口が赤く腫れて炎症を起こしている。
The wound is red and swollen and has become inflamed.
医者は炎症を抑える薬を処方した。
The doctor prescribed medicine to reduce the inflammation.
風邪で喉の炎症がひどくて痛む。
My throat is badly inflamed and painful because of a cold.