Vitamin B12 Side Effects: Truth Or Dare

Vitamin B12 is noted as a complex, large and scarce vitamin. Its rarity is particularly related to the fact that it can only be biosynthetically produced by select bacteria and algae. Experiencing vitamin B12 side effects through the diet are not too frequent because there are very few foods that may be classifies as excellent or good sources. Supplements are more possible reasons for ingesting higher than normal dosages of vitamin B12. People who take as much as 1000 mcg do not lead to untoward effects unless there is an allergy.

It is common to see adverse reactions or vitamin B12 side effects if it gets into the system of a person with allergy to it. Frequently, these adverse reactions are seen in people getting shots of the vitamin. Nothing is definite though whether what causes the allergy is the vitamin B12 or the preservatives in the solution. Sensitivity to cobalt or cobalamin are also possibilities. During such instances, signs and symptoms include rashes, hives, diarrhea, chest pains, panic attacks, anxiety, and heart palpitations among others.

Vitamin B12 side effects can also be observed when it interacts with certain drugs or when the individual taking it is predisposed to certain conditions. What makes the absorption complicated are narrated below:

1.Leber's Disease, a hereditary eye disease, can lead to blindness as a repercussion if the condition is not managed. Vitamin B12 can harm the optic nerves if predisposed.

2.The blood cells can grow larger than usual; a case called as megaloblastic anemia. Such condition can be corrected by vitamin B12 therapy but not always. The therapy may sometimes lead to serious vitamin B12 side effects. It always advisable to let a professional to undertake the therapy.

3.It is common for polcythemia vera to suddenly emerge because of exposures to high levels of vitamin B12. This blood condition is manifested by showing high-density of red blood cells.

Adverse reactions can happen during drug interactions with the use of Metformin for diabetes, chloramphenicol for bacterial infections; and lansoprazole, omeprazole and cimetidine for peptic ulcer and gastroesophageal reflux.

The common consequence is the poor absorption of vitamin B12 when it is combined with the abovementioned medications. Vitamin B12 side effects and adverse reactions can easily be prevented if one would take an effort to consult a medical practitioner before drug interactions even happen.