Ropivacaine HCL for Injection 0.5% 5mg/mL Single-Dose Vial 30 mL x 10 Pack (Rx)Somerset Pharma Ropivacaine HCL for Injection 0. 5% 30 ml Vials 10 Pack is a medication used for numbing and relieving pain during surgeries or medical procedures. It contains the active ingredient ropivacaine hydrochloride, which is a type of local anesthetic. This medication is typically injected into the skin or muscle near the area that needs to be numbed. It works by blocking nerve signals, thereby reducing pain sensation in the affected area.