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Michael Treacy
Michael Treacy
Feb 24, 2026 11:42 AM 1 Answers Adverse Effects
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Can I add a half teaspoon of pharmaceutical gradeDMSO to my sinus rinse safely.

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Michael Treacy
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Feb 24, 2026
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NO, It is not safe or recommended to add dimethyl sulfoxide (DMSO) to a sinus rinse.

DMSO is a powerful solvent that increases mucosal absorption and can irritate or damage the nasal lining. It is not approved or studied for intranasal use, and there is no evidence of benefit.

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