vitamin b12 injection administration Monthly Injection: Typical Dose & Schedule vitamin b12 injection administration vitamin

extreme tiredness, lack of energy, muscle weakness, disturbed vision, low mood, hair loss and premature greying of hair

Serious but rare complications: Hypokalaemia: Rapid B12 replacement in severely deficient patients can precipitate potassium depletion during haematopoietic recovery, potentially causing cardiac arrhythmias

Bulut EA, Soysal P, Aydin AE et al (2017) Vitamin B12 deficiency might be related to sarcopenia in older adults

As mentioned by this 2015 review, vitamin B12 can mostly be found in animal products, such as meat and dairy

Screening patients for allergies and health history can significantly reduce risks