Danbot: Add Category:Labs

2026-03-22T06:44:05Z

← Older revision		Revision as of 06:44, 22 March 2026
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	<references/>		<references/>
	[[Category:Pharmacology]] [[Category:FEN]]		[[Category:Pharmacology]] [[Category:FEN]]
			[[Category:Labs]]

ClaireLewis: /* Administration */

2016-12-22T23:01:37Z

Administration

← Older revision		Revision as of 23:01, 22 December 2016
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	*Dosage Forms:		*Dosage Forms:
	*Routes of Administration: IV/IM, oral, nasal, sublingual		*Routes of Administration: IV/IM, oral, nasal, sublingual
	*Also known as cyanocobalamin		*Also known as cobalamin, cyanocobalamin

	==Adult Dosing==		==Adult Dosing==

ClaireLewis: Created page with "==Administration== Type: Vitamin Dosage Forms: Routes of Administration: IV/IM, oral, nasal, sublingual Also known as cyanocobalamin ==Adult Dosing== *Normal absorption:..."

2016-12-22T23:01:25Z

Created page with "==Administration== *Type: Vitamin *Dosage Forms: *Routes of Administration: IV/IM, oral, nasal, sublingual *Also known as cyanocobalamin ==Adult Dosing== *Normal absorption:..."

New page

==Administration==
*Type: Vitamin
*Dosage Forms:
*Routes of Administration: IV/IM, oral, nasal, sublingual
*Also known as cyanocobalamin

==Adult Dosing==
*Normal absorption: 1000 mcg/day PO
*Malabsorption: 100-1000 mcg IV/IM or deep SC injection daily for 6 or 7 days
*Nasal spray: 500 mcg intranasally in one nostril weekly

==Pediatric Dosing==
*30-50mcg IM daily (preferred) OR 1000 mcg/day PO

==Special Populations==
*[[Drug Ratings in Pregnancy|Pregnancy Rating]]: C
*[[Lactation risk categories|Lactation risk]]: Infant risk cannot be ruled out
*Renal dosing: increased dose/frequency may be required
*Hepatic dosing: increased dose/frequency may be required

==Contraindications==
*Allergy to class/drug

==Adverse Reactions==
===Serious===
*CHF, pulmonary edema
*Anaphylaxis, angioedema
*Peripheral vascular disease
===Common===
*Injection site pain
*Arthralgia
*Dizziness, headache
*Nasopharyngitis

==Pharmacology==
*Half-life:
*Metabolism: biliary; enterohepatic cycling
*Excretion: mostly renal

==Mechanism of Action==
*Vital to cell reproduction, growth, and synthesis of myelin and nucleoprotein, as well as energy metabolism

==Comments==

==See Also==
*[[Vitamin B12 deficiency]]
*[[Folic acid]]
*[[Vitamin deficiencies]]

==References==
<references/>
[[Category:Pharmacology]] [[Category:FEN]]

Vitamin B12 - Revision history

Danbot: Add Category:Labs

ClaireLewis: /* Administration */

ClaireLewis: Created page with "==Administration== *Type: Vitamin *Dosage Forms: *Routes of Administration: IV/IM, oral, nasal, sublingual *Also known as cyanocobalamin ==Adult Dosing== *Normal absorption:..."

ClaireLewis: Created page with "==Administration== Type: Vitamin Dosage Forms: Routes of Administration: IV/IM, oral, nasal, sublingual Also known as cyanocobalamin ==Adult Dosing== *Normal absorption:..."