What Happens If Ringworm Is Left Untreated?

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According to WebMD, untreated ringworm infections can lead to blistering and cracked skin, which in turn can become infected with bacteria. Bacterial infections must be treated with antibiotics. In most cases, ringworm infections can be treated with over-the-counter medications. If non-prescription methods do not work, ringworm can also be treated with prescription medications that are designed to kill the fungus.

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