Additionally, if you're taking vitamin B12, some medicines can interfere with your ability to digest it, including: Aminosalicylic acid (Paser), used to treat digestive problems Colchicine (Colcrys, Mitigare, Gloperba) is an anti-inflammatory medicine used to prevent and treat gout Proton pump inhibitors (Prilosec, Prevacid) are used to reduce stomach acid Metformin (Glumetza, Fortamet, others), used to treat diabetes Vitamin C supplements SLIDESHOW See Slideshow What are the warning signs of vitamin B12 deficiency
Some medications, particularly those for digestion or certain anti-inflammatory drugs, can affect how your body uses B12
Anaemia, megaloblastic Treatment summaries (BNF/NICE)
Bates, J
Infection Skipping skin cleaning or reusing a needle can introduce bacteria