Assertion: chickenpox's complication | /r/HasProperty | post
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text: 27 Complications from shingles include balance or hearing issues, vision loss, and post herpetic neuralgia (PHN) - a severe and frequently long-lasting pain at the shingles rash site.28 Stating that scientific evidence suggested exposure to natural chickenpox decreased the risk of shingles, the FDA recommended careful monitoring of shingles rates post-vaccine licensure, to detect any changes.29