How does it make it seem as though your nose isn’t stuffy anymore? How come I can breathe through one nostril and not the other when I’m congested? How does fixing your positioning (I.e.) putting your head higher help with congestion? 🙂 ur welcome for my 18273729101 questions & ty for ur answers 🙂
In: Biology
They constrict blood vessels in your nose. Nasal congestion occurs when the nasal passages are inflamed and the blood vessels dilated. Decongestant sprays cause the vessels to constrict.
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