Acne is the most common skin condition in the United States, affecting up to 50 million Americans annually. 1; Acne often causes significant physical and psychological problems such as permanent scarring, poor self-image, depression and anxiety. 2; See your dermatologist for the successful diagnosis and treatment of acne.
Mechanism of action. It is a phosphodiesterase-4 inhibitor, mainly acting on phosphodiesterase 4B (PDE4B), which causes inflammation. Chemically, crisaborole is a phenoxybenzoxaborole. It contains a boron atom that helps penetrate the skin and is essential for its binding activity.
Dilacor XR Description. 1  Dilacor XRÂ® (diltiazem hydrochloride) is a calcium ion influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride is 1,5-Benzothiazepin-4(5H)one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (+)-cis-.