However, many reported that pain relief began less than a week after taking this medication
In the UK, hydroxocobalamin is the standard form used for intramuscular injections on the NHS
If you prefer convenience and cost-effectiveness, B12 injection kits may be suitable
They include: Pain, redness, or swelling at the injection site Mild diarrhea or nausea Itching or skin irritation near the injection area A sensation of swelling throughout the body Headache or dizziness These effects typically resolve within 24 to 48 hours and do not require medical intervention
Garca-Patos V, Pujol RM, Barnadas MA, Prez M, Moreno A, Condomines J, Gelpi C, Rodrguez JL, De Moragas JM