do b12 injections make you feel better Why Need Injections? · PA Relief Feeling worse after B12 Injection:
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Summary Day 1: Cusco Tinqui Upis Transportation from Cusco to the village of Tinqui (3,900 meters / 12,795 feet above sea level)

Tell your provider right away if you get a lump or swelling in your neck, hoarseness, trouble swallowing, or shortness of breath

It is also typically avoided in patients who have recently had a heart attack, because arginine supplementation was associated with worse outcomes in that setting

I needed to re-order and I decided to look for methylcobalamin

This page covers both, with the oral route first
The safety of the treatment for the baby is not fully known