If nausea persists beyond 3-4 weeks on a stable dose, consider reducing to the previous dose level and attempting re-escalation more gradually after 4-6 weeks
Notes on potential side effects Step 3
Prolonged deficiency allows more extensive damage to accumulate, particularly to the nervous system, which requires longer to repair
Indications: In disorders requiring parenteral administration of vitamins, that is, pre- and postoperative treatment, when requirements increase as in fever, severe burns, increased metabolism, pregnancy, gastrointestinal disorders that interfere with the intake or absorption of vitamins, diseases prolonged or debilitating, alcoholism and where other deficiencies exist
A cheaper option elsewhere sometimes means less time with a clinician