what size needle to give b12 injections for a Injection: A Simple Guide A Guide to Needle and

Dosing Methyl B12 B12 is a water soluble vitamin, meaning the body uses what it needs and then excretes excess in the urine

Hopefully the dermatologist I see will have some familiarity or understanding of this

Flushing or a feeling of warmth

However, you should: Call 999 or go to A&E immediately if you experience signs of a severe allergic reaction (difficulty breathing, severe throat/facial swelling, or collapse) Contact your GP if you experience a rash, itching, persistent pain at the injection site, or worsening neurological symptoms despite treatment If you suspect any side effects from your B12 injections, you can report them through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)

Elevated plasma vitamin B12 levels as a marker for cancer: a population-based cohort study

When to seek medical advice: Persistent or worsening injection site reactions (increasing redness, warmth, or discharge suggesting infection) Severe or persistent headaches Chest pain or palpitations Unexplained muscle weakness or cramps New or worsening neurological symptoms despite treatment Unexpected bleeding or bruising For non-emergency concerns, contact your GP or NHS 111