If you’re using a decongestant nasal spray, you shouldn’t use it for more than three or four days, because it can make your symptoms worse. Along with OTC nasal decongestants, some ...

“Comparatively, phenylephrine [sold as Sudafed PE] is only affected when taken via nasal spray and the gut wall metabolizes it, so a lesser percentage (approximately 40 percent) of the ...

SINGAPORE – The Health Sciences Authority (HSA) said the benefits of pseudoephedrine ... such medicines are highly effective in relieving nasal and sinus congestion. “Their ability to ...