Hydroxocobalamin, the form most commonly used in the UK, may cause: Injection site reactions (pain, redness, or swelling) Temporary reddish discolouration of urine Rarely, hypersensitivity reactions Very rarely, hypokalaemia in severely deficient patients when treatment is initiated (potassium levels should be monitored in severe deficiency) B12 injections are considered very safe, with no upper tolerable limit established, as excess B12 is excreted in urine
Common gastrointestinal side effects Both peptides cause gastrointestinal issues
[DOI] [PMC free article] [PubMed] [Google Scholar] (524).Yang K
10.1046/j.1460-9568.2000.01308.x Eur
It is something you can easily adjust to when you feel well verses suffer a flare
CB12 Injection can be administered via: Intramuscular injection (IM) The most common and effective method Subcutaneous injection (under the skin) In some cases Intravenous (IV) administration Less commonly used but may be considered in hospital settings for rapid correction The method of administration is determined by your healthcare provider based on your specific medical needs