Medically reviewed by John Carew, MD Fact checked by Jillian Dara Nasal sprays can treat congestion and other symptoms of seasonal allergies or a cold. They work by delivering a fine mist of ...

Using a new plethysmographic technique to measure peripheral arterial tone (PAT), we report here that REM sleep in humans is associated with considerable peripheral vasoconstriction. The apparatus ...

The expert continued: " If your blood pressure is within a healthy range and you have no heart-related concerns, short-term use of decongestants as directed is generally safe. However, for individuals ...

Nasal sprays can be an effective medication ... it causes blood vessels in your brain to tighten (vasoconstriction). This has the effect of lowering pain signaling and inflammation.

Stimulation of these receptors results in vasoconstriction increasing afterload ... Addiction to the nasal decongestants is termed rhinitis medicamentosa as cessation of alpha agonists causes ...