after taking b12 injection side effects Vitamin B-12 Injection, 3,000 mcg/mL Supplementing with injectable B12 helps treat these low levels and improve your pets health Are B12 Shots Safe? Royal

week-0 baseline

Common symptoms of a vitamin B12 deficiency include: Tiredness Lethargy Feeling faint Breathlessness Less common symptoms include: Headaches Heart palpitations Altered taste Loss of appetite Ringing in the ears (tinnitus) Looking pale Sore mouth and tongue If it is left untreated you can end up with longer term problems including: Psychological problems such as depression, confusion, memory problems Nerve problems such as numbness, pins and needles, vision changes and unsteadiness A blood test can indicate if you have a B12 deficiency

Some US formulations also use glycol-based carriers, which is a separate consideration for users who microneedle or have scalp sensitivity

Am J Dis Child