When starting Vitamin B12 therapy, its not unusual for individuals to grapple with questions like, Feeling worse after my B12 injection, is that natural? This period, often termed as a healing crisis, can manifest through symptoms such as: Enhanced feelings of fatigue, tiredness, and increased sleep requirements Sensations akin to mild flu-like symptoms or body aches Experiences of headaches, nausea, or feelings of being lightheaded A foggy mind and challenges with concentration Mood fluctuations including irritability, anxiety, or a subdued mood Alterations in appetite and digestive patterns Contrary to being seen as an adverse reaction, these symptoms are essentially indicative of the body acknowledging and adapting to the surge of B12
Cagrilintide Regulatory Status As of June 2026, cagrilintide is investigational and is not FDA-approved in any form
If autonomic nerves are affected, neuralgia can be as bad as causing erratic heartbeat, loss of bowel control, and impaired digestion
How should healthcare providers approach the risk-benefit analysis for these treatments