Nasal sprays cause complications including nasal mucosa irritation, dryness, temporary burning, and runny noses.

This is because nasal sprays have a chemical to shrink blood vessels. Thus, continuous use may render the vessels to be less responsive to medication.

Overuse can cause addiction and lead to serious long-term conditions such as chronic sinusitis.

According to the U.S. Department of Health & Human Services, in 2014, there were 29.4 million adults (12.3% of pop.) diagnosed with sinusitis in the U.S. Doctors typically are unable to control dosages, leading to decongestion and other chronic problems.

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