Nascobal Dosage

Generic name: cyanocobalamin
Dosage form: nasal spray

This dosage information does not include all the information needed to use Nascobal safely and effectively. See full prescribing information for Nascobal.

The information at is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

The recommended initial dose of Nascobal Nasal Spray is one spray (500 mcg) administered in ONE nostril once weekly. Nascobal Nasal Spray should be administered at least one hour before or one hour after ingestion of hot foods or liquids. Periodic monitoring of serum B12 levels should be obtained to establish adequacy of therapy.

Priming (Activation) of Pump

Before the first dose and administration, the pump must be primed. Remove the clear plastic safety clip from the pump. To prime the pump, place nozzle between the first and second finger with the thumb on the bottom of the bottle. Pump the unit firmly and quickly until the first appearance of spray. Then prime the pump an additional 2 times. Now the nasal spray is ready for use. The unit must be re-primed before each dose. Prime the pump once immediately before each administration of dose 2 through 4.

Priming the Bottle

See LABORATORY TESTS for monitoring B12 levels and adjustment of dosage.