b12 injection site bleeding Vitamin deficiency anemia Vitamin B12 and ulcerative colitis:

CD38 antibodies have Fc-dependent immune effector mechanisms, such as complement-dependent cytotoxicity (CDC), antibody-dependent cellular cytotoxicity (ADCC), and antibody-dependent cellular phagocytosis (ADCP)

If you do it yourself, follow their instructions carefully

If your protocol requires you to store it for many months after reconstitution, a better (though more advanced) method is to aliquot itdivide the full solution into multiple smaller sterile tubes and freeze them all at once

hospitalization required Maintenance of Remission: Immunomodulators (azathioprine, 6-MP, methotrexate) for steroid-dependent or frequently-relapsing disease Biologic monotherapy or combination therapy (biologic + immunomodulator) for moderate-to-severe disease Step-up or top-down approach based on disease severity, patient risk factors, and prior therapy Biologic Therapy Targets: TNF-: Infliximab (IV), adalimumab (SC), certolizumab pegol (SC) IL-12/23: Ustekinumab (IV induction, SC maintenance) Integrin: Vedolizumab (IV) IL-23: Risankizumab (IV induction, SC maintenance) JAK inhibition: Upadacitinib (oral) Surgical Management Surgery is indicated in approximately 7080% of patients with Crohns disease over their lifetime, per StatPearls