Side Effects: Irregular bowel movements Feeling of vomit Swelling on the body Headache Serious Side Effects: Increase in the rate of heartbeat Pain in the chest Increase in weight Weakness in muscles Pain in the muscles and joints Excessive thirst Urinating frequently Breathlessness Feeling extremely tired Swollen arms, legs, and hands Vitamin B12 Injection Drug Interactions: folic acid cimetidine potassium supplements neomycin colchicine People who have AIDS are more prone to having Vitamin B12 deficiency.Vitamin B12 injections are not toxic
Arm pain is likely to begin within 24 hours of vaccination and lasts a few days after the vaccine is administered, says Anderson
According to an article about cobalamin deficiency in Tufts Universitys catnip newsletter, people with cobalamin deficiency also experience changes with intestinal permeability and absorptive function
Another dosing recommendation begins with 1000 mcg daily for the first seven to 10 days, then 1000 mcg weekly for a month, followed by 1000 mcg monthly for life
Some of the signs here are very familiar and are frequent side effects of FIP
Would you be better served by a different approach