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Diltiazem hydrochloride is a calcium ion influx inhibitor (slow channel blocker or calcium channel antagonist).
Diltiazem hydrochloride is a white to off-white crystalline powder with a bitter taste. It is soluble in water, methanol, and chloroform.
Diltiazem hydrochloride injection is a clear, colorless, sterile, nonpyrogenic solution. It has a pH range of 3.7 to 4.1.
Diltiazem hydrochloride injection is for direct intravenous bolus injection and continuous intravenous infusion.
Each mL contains: 5 mg Diltiazem Hydrochloride, USP, 0.75 mg Citric Acid Anhydrous, USP, 0.65 mg Sodium Citrate Dihydrate USP, 50 mg Sorbitol NF, and Water for Injection, USP q.s. Sodium Hydroxide or Hydrochloric Acid is used to adjust pH.