Phenylephrine is an α1-adrenergic receptor agonist, used primarily as a decongestant, as a pupillary dilator and to increase blood pressure, with very little effect on the central nervous system. This active ingredient is widely used for topical application in eye drops and nasal sprays, and is also present in many over-the-counter medications. Phenylpropanolamine Phenylpropanolamine is […]

Nitric oxide: what it is, how it is produced and physiological functions Nitric oxide (NO) is a free radical nitrogen capable of oxidizing or reducing compounds with which it comes into contact. It is a powerful vasodilator commonly used in the inflammatory process against pathogens, viruses and cancer cells. It is a gas formed by […]