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Azelastine Nasal Spray Could Slash COVID-19 Risk

10/13/2025

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Summary

Story summary

Azelastine, an over-the-counter nasal spray, may reduce the risk of contracting COVID-19 and other viruses, with users about three times less likely to test positive than those using a placebo.
The finding comes from a phase 2 clinical trial conducted in Germany.
Azelastine is generally safe.
Experts say azelastine could complement vaccines.
More research is needed before it can be confirmed as an effective preventive measure.

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Story summary

Azelastine, an over-the-counter nasal spray, may reduce the risk of contracting COVID-19 and other viruses, with users about three times less likely to test positive than those using a placebo.
The finding comes from a phase 2 clinical trial conducted in Germany.
Azelastine is generally safe.
Experts say azelastine could complement vaccines.
More research is needed before it can be confirmed as an effective preventive measure.