The Journal of the Association of Physicians of India
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)
According to the National Institutes of Health (NIH), no Tolerable Upper Intake Level (UL) has been established for B12, indicating that the risk of harm from high doses is low [*]
Ketamine was initially introduced as an anesthetic and analgesic for medical applications ( 5.1 Pharmacological effects 5.1.1 NMDAR antagonism Ketamine exerts its primary effects by acting as a noncompetitive antagonist of NMDARs and reducing glutamate-mediated excitatory neurotransmission (Zhou and Tajima, 2023)
