People with MCAS are also more likely to have side effects from B12 supplementation
There are anecdotal reports of adverse effects such as injection site pain, anxiety, insomnia, headaches, dizziness, and gastrointestinal discomfort, but these are not well-documented in clinical studies
In order to effect the best possible outcome it may be necessary to injure the skin once again at the wound site
These can be subtle but significant signs
do not use it if it is cloudy or discolored Confirm the correct dose before injecting Injecting with a pen (Zepbound or Mounjaro): Remove the base cap and place the pen flat against your skin at a 90 angle Press and hold the button for 10 seconds The first click signals the injection has started
Europe PMC Current Reviews in Musculoskeletal Medicine, 2025