Read more: Liver disease symptoms, causes, and treatment When to contact a doctor about bright yellow urine Some causes of bright yellow urine may not need medical care such as mild, temporary dehydration
There are no major side effects reported, though patients can experience diarrhea and swelling or redness at the injection site
Each 1 mL vial contains 1000mcg of cyanocobalamin, a synthetic form of vitamin B12. It is a multiple-dose vial, meaning that it can be used for more than one injection
Fatigue, however, is a deeper, more pervasive sense of exhaustion that doesnt improve with sleep
Knowing this helps make sure the dose is right and avoids any mix-ups
Add to that the lack of a gold-standard test for deficiency, and you can see why its an easy issue to miss