where to inject b12 shot vitamin Store How B12 in your arm Vitamin B12 Injection Sites: All

Gut dysmotility in the ICU: diagnosis and therapeutic options

Interaction with Other PRP Factors Alcohol consumption interacts with other variables affecting outcomes

European Medicines Agency (2023)

These injections, usually containing hydroxocobalamin or cyanocobalamin, are administered intramuscularly, thus bypassing the digestive system where the absorption problem occurs

Other relevant interactions: Colchicine (used for gout) may affect B12 absorption with long-term use Chloramphenicol (rarely used antibiotic) may blunt the haematological response to B12 treatment Monitoring considerations: Patients taking loop or thiazide diuretics require careful monitoring when initiating B12 therapy in severe deficiency, due to the risk of hypokalaemia during rapid cell production