This document is an instruction manual for Vitamin B12 injection, which introduces its composition, characteristics, pharmacology and toxicology, pharmacokinetics, indications, dosage, adverse reactions, precautions, etc.
This leaflet describes the Vitamin B12 injection produced by Sanjing. It lists the active ingredient, chemical formula (C63H88CoN14014P), molecular weight (1355.38), and appearance as a pink‑red liquid. The document also details pharmacology, pharmacokinetics, and the therapeutic uses for megaloblastic anemia and certain neurological conditions.
Dosage instructions, contraindications, adverse reactions, and special precautions for pregnant women, children, and patients with gout are included. Storage requirements, packaging (10 vials per box), shelf life (2 years), approval number, and manufacturer contact information are provided for safe handling and regulatory compliance. This manual is written in Chinese.
| Chemical formula | C63H88CoN14014P |
|---|---|
| Molecular weight | 1355.38 |
| Concentration | 0.2 mg/mL |
| Packaging | 10 vials per box |
| Approval number | 国药准字 H23021687 |
| Manufacturer | Harbin Pharmaceutical Group Sanjing Pharmaceutical Co., Ltd. |
Possible reactions include skin rash, itching, diarrhea, and allergic asthma; rare cases of anaphylactic shock have been reported.