B-12 Kit – Subcutaneous (Cyanocobalamin B12 Injection) — Somerset Therapeutics

Medication Summary

Medication Summary: This section summarizes DailyMed drug label information to make the label easier to understand. It is not a substitute for the official label, pharmacist counseling, prescriber instructions, or medical advice.

Overview

Cyanocobalamin Injection USP is a sterile vitamin B12 solution for intramuscular or subcutaneous use. Each mL contains 1,000 mcg cyanocobalamin.

It is used for vitamin B12 deficiency caused by malabsorption, including pernicious anemia and other listed gastrointestinal conditions. It is also suitable for the Vitamin B12 absorption test (Schilling test).

The label states that the product should not be given intravenously. It also notes important warnings about allergy, aluminum exposure, and the need for close monitoring in severe megaloblastic anemia.

Storage Information

Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature]. PROTECT FROM LIGHT Use only if solution is clear and seal intact.

Key Counseling Points

• This injection is a vitamin B12 product used for deficiency caused by malabsorption.
• It is given by intramuscular or subcutaneous injection.
• Do not use it intravenously; the label says intravenous use can cause the vitamin to be lost in the urine.
• For pernicious anemia, the label states monthly injections may be needed for life.
• The label warns that folic acid should not be used in place of vitamin B12.
• Tell your clinician about any history of sensitivity to cobalt or vitamin B12.
• The label warns that serious allergic reactions, including anaphylactic shock, have been reported with parenteral vitamin B12.
• The solution should be inspected before use, and it should be used only if clear and the seal is intact.
• The label says the product should be protected from light.
• The label advises close laboratory monitoring during initial treatment of pernicious anemia, including potassium and blood counts.

Helpful Patient Education

Cyanocobalamin Injection USP is a vitamin B12 injection for intramuscular or subcutaneous use. According to the DailyMed label, it is indicated for vitamin B12 deficiency due to malabsorption, including pernicious anemia and certain gastrointestinal conditions, and it may also be used for the Vitamin B12 absorption test.

This educational product information describes key label warnings, administration routes, and monitoring considerations. It also notes that the solution should be clear and the seal intact before use, and that the product should be protected from light.

Medication Summary last generated: 2026-07-05 11:41:04