What is Vitamin Deficiency System-B12? Uses, warnings & side effects

Updated May 14, 2025  •  Published Dec 30, 2020

Vitamin Deficiency System-B12 overview

BRAND NAMES:

  • Vitamin Deficiency Injectable System - B12, B-12 Kit, Physicians EZ Use B-12 Compliance, Vitamin Deficiency Injectable System - B12, Physicians EZ Use B-12 Compliance, Vitamin Deficiency Injectable System - B12

Generic Names:

  • Vitamin Deficiency System-B12

Uses:

  • Treats vitamin B-12 deficiency.

Therapeutic Classes:

  • Diagnostic Agent, Vitamin B12 Absorption, Nutritive Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Vitamin Deficiency System-B12 used for?

What form(s) does Vitamin Deficiency System-B12 come in?

  • Injectable

What are common Vitamin Deficiency System-B12 dosages?

  • Box 1 Kit

How to take Vitamin Deficiency System-B12

  • Injection routeYour doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.

  • Missed dose: Injection routeCall your doctor or pharmacist for instructions.

  • Missed dose: Injection routeCall your doctor or pharmacist for instructions.

  • Injection routeYour doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.

What to do if you miss a dose of Vitamin Deficiency System-B12

Vitamin Deficiency System-B12 contraindications - Who shouldn't take Vitamin Deficiency System-B12?

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to vitamin B-12.

Vitamin Deficiency System-B12 warnings

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease.

Vitamin Deficiency System-B12 interactions & what to avoid when taking Vitamin Deficiency System-B12

  • Do not use folic acid supplements unless your doctor says it is okay.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Vitamin Deficiency System-B12 side effects - How does Vitamin Deficiency System-B12 make you feel?

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing