# What is ringworm and how do I avoid it?

Ringworm is a fungal skin infection common in grappling - it appears as circular red patches. You get it from dirty mats or infected training partners. Prevent it by showering immediately after training, washing your gi every time, and never training with visible skin infections. Treat it with antif...

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**Tags:** hygiene, injury

**Source:** [BJJ Notes Knowledge Base](https://www.bjjnotes.app/knowledge-base/what-is-ringworm-and-how-do-i-avoid-it)