Inflammation (from Latin: inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecular mediators. Infection, physical injury, autoimmune disorder
Some of these indicators can be seen here due to an allergic reaction. The cardinal signs of inflammation include: pain, heat, redness, swelling, and loss of function.
