low potassium after b12 injections Hypokalemia (Low Potassium): Symptoms, Causes, Diagnosis, Treatment Why Do I Feel Worse

Sublingual preparations are available, though evidence for their superiority over standard oral tablets is limited, and they are not routinely recommended in UK clinical practice

When levels are low, it can leave you feeling drained and sluggish

The majority of the reported adverse experiences following dosing with Nascobal (Cyanocobalamin, USP) Gel for Intranasal Administration and intramuscular vitamin B12 were judged to be intercurrent events

The reported adverse reactions following parenteral administration of vitamin B12 include: Generalized: Anaphylaxis and death Cardiovascular: Pulmonary edema and congestive cardiac/heart failure during early treatment

If your deficiency was mild, the effects may be more subtle and take a bit longer to notice