Symptoms include difficulty breathing, facial or throat swelling, rapid heartbeat, hives, and a sudden drop in blood pressure
This characteristic distinguishes it from sterile water for research, which lacks a preservative and is typically intended for single-use applications to maintain sterility
Patients seeking weight management support should consult their GP for referral to NHS weight management services, dietitians, or specialist obesity clinics where appropriate
While certain people (such as those over 50) may be at risk for a B12 deficiency, if you eat a balanced diet that includes animal foods, such as beef, chicken, fish, eggs, and milk, or fortified breads or cereals, youre probably getting enough
If you ever feel worse after a B12 injection, the cause is most likely not the B12 itself, but some troublesome excipient