Diltiazem HCl 是一种Benzothiazepine衍生物，具有舒张血管的作用，由于其抑制钙离子在膜的功能。Diltiazem hydrochloride is used to treat cardiovascular diseases, such as angina and hypertension. It acts as an inhibitor to cytochrome P450 3A (CYP3A). Diltiazem might be associated with maculopapular rashes, urticaria and pruritus.(+)-cis-Diltiazem hydrochloride has been used: · to study its effects on diffusion and release in monolithic dispersion matrix · to study its neuroprotective effects in retinitis pigmentosa (RP) models · as an antagonist against the Cav1.2 L-type calcium channels (LTCCs) Diltiazem HCl (Tiazac) is a benzothiazepine derivative with vasodilating action due to its antagonism of the actions of the calcium ion in membrane functions.Diltiazem hydrochloride is used to treat cardiovascular diseases, such as angina and hypertension. It acts as an inhibitor to cytochrome P450 3A (CYP3A). Diltiazem might be associated with maculopapular rashes, urticaria and pruritus.