b12 injection dosage for postherpetic neuralgia Vitamin Monthly Injection: Typical Dose & Schedule What is the best vitamin

When used in therapeutic doses, no side effects are observed, but from the nervous system and senses may be depression or agitation, disorientation, vomiting, sweating, visual disturbances, tremor, convulsions, respiratory depression, apnea

[PubMed: 19752219] 106

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This method provides immediate bioavailability and higher blood levels than oral supplements, supporting energy production, nervous system function, and overall cellular health

In these circumstances, an injection may still occasionally have a role, but it should not be presented as a substitute for a treatment that more directly addresses the structural problem