Nascobal (Cyanocobalamin Nasal) - Drug Interactions, Contraindications, Overdosage, etc

DRUG INTERACTIONS

4. DRUG/LABORATORY TEST INTERACTIONS

Persons taking most antibiotics, methotrexate or pyrimethamine invalidate folic acid and vitamin B₁₂ diagnostic blood assays.

Colchicine, para-aminosalicylic acid and heavy alcohol intake for longer than 2 weeks may produce malabsorption of vitamin B₁₂.

OVERDOSAGE

No overdosage has been reported with Nascobal Nasal Spray, Nascobal (Cyanocobalamin, USP) Gel for Intranasal Administration or parenteral vitamin B₁₂.

CONTRAINDICATION

Sensitivity to cobalt and/or vitamin B₁₂ or any component of the medication is a contraindication.