how quickly does a b12 injection take to work Do Shots Work? How Long Does It Take
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Timeline: What to Expect Set expectations honestly

B6 deficiency risks run higher in people with kidney disease, alcohol dependence, or digestive absorption problems

Proton pump inhibitors or histamine type 2 (H2)-receptor antagonists: Medications to treat gastric disorders that interfere with or suppress gastric acid and intrinsic factor production can lead to decreased vitamin B12 absorption (3) (4)

Call emergency services

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Maintenance dose: After the loading course, most people have one injection every 2 to 3 months
