Unlike oral supplements, which require daily use and may result in inconsistent absorption, injections deliver a high concentration of the vitamin directly into your bloodstream, allowing for longer-lasting benefits and fewer treatments
You will be advised on recommended dosing intervals, monitoring requirements, and any potential side effects
Likewise, various prescription medications may affect B12 levels or B12 may interfere with their action
When to seek medical help See a doctor promptly if you have spreading redness or warmth around the site, discharge or a fever, numbness or weakness that does not settle, or any swelling of the face, lips or throat or difficulty breathing, which can signal a rare allergic reaction and is a medical emergency
Oral cobalamin is a safe and effective way of supplementing the vitamin even in deficiency states, including pernicious anemia
The right format depends on whether you want hydration, a specific nutrient blend, or a shorter visit