This leaflet describes the Vitamin B12 injection produced by Sanjing. It lists the active ingredient, chemical formula, molecular weight, appearance, and pharmacological action of the product. Indications include treatment of megaloblastic anemia caused by intrinsic factor deficiency and adjunct therapy for certain neuropathies.
Dosage recommendations, possible adverse reactions, contraindications, storage conditions, packaging details, and the national approval number are also included, along with cautions for special populations such as pregnant women, children, and patients with gout. This manual is written in Chinese.
| Active ingredient | Vitamin B12 |
|---|---|
| Chemical formula | C63H88CoN14014P |
| Molecular weight | 1355.38 |
| Dosage form | Injection solution, pink to red liquid |
| Packaging | 10 vials per box |
| Approval number | 国药准字 H23021182 |
Adults receive 0.025–0.1 mg once daily or 0.05–0.2 mg every other day; the dose may be increased for neuropathy treatment.
Possible reactions include skin rash, itching, diarrhea, allergic asthma, and rarely anaphylactic shock.
Store the product in a cool, sealed container.
The approval number is 国药准字 H23021182.