Ringworm is infectious; important when talking about transmission or precautions. Wash your hands frequently to avoid catching ringworm from others.
Pro Tip 2/3
Not a Worm
Despite its name, ringworm is not caused by a worm but by a fungus. Contrary to what its name suggests, ringworm won't involve actual worms in your skin.
Pro Tip 3/3
Appearance Matters
The 'ring' in ringworm refers to the circular shape of the rash on the skin. The round, red rash on my leg turned out to be ringworm.