We know that exposure to the sun causes damage even when it doesn't cause redness.

Exposure of p-xylene to eyes can cause redness and pain.

Those drugs cause swelling and redness in his face.

Metal allergies cause redness and swelling, not a dull green color.

Contact with the skin may cause rash, redness or dermatitis.

An agent thus used is known as a rubefacient (something that causes redness).

They may cause redness or peeling of the skin.

Applied to the skin, it might cause redness and irritation.

For example, drops may cause stinging, burning, and redness in the eyes.

This can cause swelling and redness in that part of the leg.