headache from b12 injection What Does A Deficiency Feel Like Headaches and exhaustion after B12...

Continue hydrocortisone if needed

It may be safe to state that suitable supplementation is protective and side effects of taking vitamin B12 supplements is highly unlikely

doi:10.1371/journal.pone.0225761 Yin JJ, He Y, An J, et al

Neurological symptoms are particularly characteristic and may include: Paraesthesia (pins and needles) in the hands and feet Numbness or altered sensation in the extremities Difficulty with balance and coordination, often due to spinal cord involvement (subacute combined degeneration) Memory problems and cognitive impairment Mood changes, including depression and irritability Visual disturbances (rare and usually in advanced deficiency) Haematological manifestations commonly present as symptoms of anaemia: Persistent fatigue and weakness Breathlessness, particularly on exertion Palpitations or rapid heartbeat Pale or jaundiced (yellowish) skin Glossitis (sore, red tongue) Mouth ulcers Additional signs may include: Unexplained weight loss Diarrhoea or constipation Loss of appetite Muscle weakness The severity and combination of symptoms vary considerably between individuals

Healthcare professionals often recommend Vitamin B12 injections for people experiencing: Persistent tiredness Low energy levels Vitamin B12 deficiency Pernicious anaemia Certain digestive conditions Vegan or vegetarian diets Fatigue associated with poor absorption Does a Vitamin B12 Injection Hurt