Vitamindrug info
vitamin B12 0.5 MG/ACTUAT Nasal Spray
What it is used for
NASCOBAL is indicated for: Vitamin B 12 maintenance therapy in adult patients with pernicious anemia who are in remission following intramuscular vitamin B 12 therapy and who have no nervous system involvement Treatment of adult patients with dietary, drug-induced, or malabsorption-related vitamin B 12 deficiency not due to pernicious anemia Prevention of vitamin B 12 deficiency in adult patients with vitamin B 12 requirements in excess of normal Limitations of Use NASCOBAL should not be used for the vitamin B 12 absorption test (Schilling test). In patients with correctible or temporary causes of vitamin B 12 deficiency, the benefit of continued long-term use of NASCOBAL following adequate correction of vitamin B 12 deficiency and underlying disease has not been established. The effectiveness of NASCOBAL in patients with active symptoms of nasal congestion, allergic rhinitis or upper respiratory infection has not been determined. Treatment with NASCOBAL should be deferred until symptoms have subsided. NASCOBAL is a vitamin B 12 indicated for: Vitamin B12 maintenance therapy in adult patients with pernicious anemia who are in remission following intramuscular vitamin B12 therapy and who have no nervous system involvement Treatment of adult patients with dietary, drug-induced, or malabsorption-related vitamin B12 deficiency not due to pernicious anemia Prevention of vitamin B12 deficiency in adult patients with vitamin B12 requirements in excess of normal Limitations of Use: Should not be used for the vitamin B12 absorption test (Schilling test). In patients with correctible or temporary causes of vitamin B12 deficiency the benefit of continued long-term use following correction of vitamin B 12 deficiency and underlying disease has not been established. In patients with active symptoms of nasal congestion, allergic rhinitis or upper respiratory infection effectiveness has not been established.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective March 1, 2024. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Cyanocobalamin is a synthetic form of vitamin B 12. The chemical name is 5,6-dimethyl-benzimidazolyl cyanocobamide. The cobalt content is 4.35%. The molecular formula is C 63 H 88 CoN 14 O 14 P, which corresponds to a molecular weight of 1355.38 and the following structural formula: Figure 1. Nascobal Chemical Structure Cyanocobalamin occurs as dark red crystals or orthorhombic needles or crystalline red powder. It is very hygroscopic in the anhydrous form, and sparingly to moderately soluble in water (1:80). Its pharmacologic activity is destroyed by heavy metals (iron) and strong oxidizing or reducing agents (vitamin C), but not by autoclaving for short periods of time (15-20 minutes) at 121°C. The vitamin B 12 coenzymes are very unstable in light. NASCOBAL (cyanocobalamin) nasal spray is a solution of cyanocobalamin, USP (vitamin B 12 ) for administration as a spray to the nasal mucosa. Each single-use device of NASCOBAL NASAL SPRAY contains 0.125 mL of a 500 mcg/0.1 mL solution of cyanocobalamin with, benzalkonium chloride in purified water, citric acid, glycerin and sodium citrate. The spray solution has a pH between 4.5 and 5.5. Each spray delivers an average of 500 mcg of cyanocobalamin per actuation. Image-1
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective March 1, 2024. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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