can b12 injection cause headache Why do I feel worse after a injection? Vitamin B12 Deficiency in Aging:
Description
Intramuscular Injection Technique Intramuscular (IM) injections are a common way to give Vitamin B12

We actually prefer SQ because its painless and has an established track record of effective B12 delivery, whereas IM can be painful and tends to put people off self-injecting

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very happy thus far and will start second month supply Saturday

The first day after surgery you will be doing sips of water only (30 ml every hour)