side effect b12 injection Does the Vitamin Shot Have Effects? B12 sublingual side effects and
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"Had my second injection today having 5 in total and then once every 3 months
Feeling tired all the time
That means: Hypokalemia can develop or worsen which can lead to: Cardiac arrhythmias Muscle weakness QT prolongation In severe cases, sudden cardiovascular instability This is a classic board-style pearl that many clinicians forget because B12 feels benign. But in profoundly deficient patientsespecially those with severe megaloblastic anemiarepletion is metabolically active treatment
Do not store or keep the product once opened.
