can b12 injection cause fever Vitamin Side Effects and Safety Vitamin B12 Deficiency: Signs, Symptoms,
Description
It thickens the skin, improves elasticity, increases the subcutaneous fat layer, and reverses the effects of skin aging

If this is the case in your letter, please ask them to provide you with this evidence

Vegetarians and vegans are often B12 deficient
Although it wont cure every condition that might affect your animals, it can certainly be used in a wide variety of situations.

Epub 2021 May 27

Because this is one of the most common musculoskeletal procedures, commercial payers, Medicare, and Medicaid all reimburse it routinely when documentation supports the diagnosis and necessity
