how often do you have to have vitamin b12 injections B12: Frequently Should I Get It? Vitamin B12 Injections: Ideal Dosage

2016 Aug 23;3:38

He will also ask about any underlying health conditions that can impact B12 absorption, such as digestive disorders (like Crohns disease or celiac disease), past surgeries (including gastric bypass), or dietary patterns common in families, such as vegetarian or vegan diets

"Since finding out [my vitamin B12] is low, I started eating more meat, and at least one serving of red meat a day

The risk of serious side effects increases in patients with hypoglycemia, kidney problems, history of Thyroid cancer, and risk of allergic reactions.

4.8 Undesirable effects As most undesirable effects are based on post-marketing spontaneous reporting, frequency estimation is not possible

Signs You May Need a Different B12 Dose Recognising when your current vitamin B12 dose may be inadequateor occasionally excessiveis important for maintaining optimal health and preventing complications