These include: Neurological symptoms : tingling or numbness in hands and feet (paraesthesia), difficulty walking, balance problems, memory difficulties, or mood changes Haematological signs : ongoing fatigue, weakness, pale skin, or shortness of breath suggesting anaemia hasn't resolved Glossitis : a sore, red tongue that hasn't improved Cognitive issues : continued difficulty concentrating or memory problems These symptoms, particularly progressive neurological deficits or severe anaemia with cardiorespiratory compromise, may require urgent medical attention
Vitamin B12 deficiency symptoms Common symptoms of vitamin B12 deficiency include: Tiredness
At 1 mg/mL, a 0.25 mg dose requires 25 units, which is easy to see on any syringe
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