Brown patch is one of the most common diseases in home lawns (as well as golf courses and athletic fields). It’s caused by a ...

From a distance, red thread symptoms appear as pink or tan circular patches 1 inch to 2 ft in diameter. You may notice the ...

Medically reviewed by Jurairat J. Molina, MD A circular rash isn't always ringworm. While the bullseye circle rash is typical of ringworm, a fungal infection, the cause also can be an allergic ...

The circular rash may look like a round, flat patch, and the middle of the rash tends to heal first. A ringworm rash is red or pink on lighter skin and silver or brown on darker skin.

There are two different types of snow mold to look out for: pink snow mold, or Fusarium patch, and gray snow mold, or Typhula blight. Both present in circular patterns on lawns.