A study part-funded by the manufacturer UCB concluded it may be more effective than some other second- and third-generation anti-histamines, but did not compare it to cetirizine.Chemically, levocetirizine is the active levorotary enantiomer of cetirizine, also called the l-enantiomer of cetirizine. It acts as an inverse agonist that decreases activity at histamine H1 receptors.Post-nasal drip is mucus accumulation in the back of the nose and throat leading to, or giving the sensation of, mucus dripping downward from the back of the nose.One of the most common characteristics of chronic rhinitis is post-nasal drip.
Post-nasal drip can be caused by excessive or thick mucus secretions or impairment in the normal clearance of mucus from the nose and throat. Rhinitis can be either acute or chronic, and is categorized into three areas: allergic rhinitis, non-allergic rhinitis, and mixed rhinitis (a combination of allergic and non-allergic).
The practice of Correctional Medicine has many strange differences from medicine outside the walls.
It took me a couple of years to get comfortable with the various aspects of providing medical care to incarcerated inmates.
The DEA even ranks these drugs according to the severity of this risk.
Schedule I drugs carry the most risk, followed by Schedule II, and so on, all the way down to Schedule V, which are thought to have the least risk.