المظاهر العصبية لنقص فيتامين B12 في حالات النقص الغذائي — عندما لا يُحسِّن الاستبدال الفموي الأولي الأعراض بشكل كافٍ

References

• If the person has suspected or confirmed vitamin B12 deficiency because their diet is lacking in vitamin B12:
• If the person's symptoms have not sufficiently improved so they are still interfering with their normal daily activities, take into account their treatment preferences and either: increase the oral dosage to the maximum licensed dosage or if they are already taking the maximum licensed dosage for oral treatment, switch to intramuscular vitamin B12 injections.