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In case of severe deficiencies, injection shall be given

Certain medications such as Metformin, H2-receptor antagonists including Zantac (Ranitidine), Tagamet(Cimetedine), Famotidine, Pepcid AC (Oral Pepcid), Axid AR (Nizatidine), Proton pump inhibitors (PPIs)including Prilosec (Omeprazole), Nexium (Esomeprazole), Prevacid (Lanzoprazole) and Antacids e.g:Gaviscon can also affect your ability to absorb vitamin B12

Patients who take it often feel like moving around more and tend to burn more calories through increased movement

It is also not known whether hydroxocobalamin can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity