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Vitamin B12 - Revision history
2024-03-29T05:21:38Z
Revision history for this page on the wiki
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https://wikem.org/w/index.php?title=Vitamin_B12&diff=115500&oldid=prev
ClaireLewis: /* Administration */
2016-12-22T23:01:37Z
<p><span dir="auto"><span class="autocomment">Administration</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:01, 22 December 2016</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Dosage Forms:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Dosage Forms:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Routes of Administration: IV/IM, oral, nasal, sublingual</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Routes of Administration: IV/IM, oral, nasal, sublingual</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Also known as cyanocobalamin</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Also known as <ins style="font-weight: bold; text-decoration: none;">cobalamin, </ins>cyanocobalamin</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Adult Dosing==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Adult Dosing==</div></td></tr>
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ClaireLewis
https://wikem.org/w/index.php?title=Vitamin_B12&diff=115499&oldid=prev
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
<p>Created page with "==Administration== *Type: Vitamin *Dosage Forms: *Routes of Administration: IV/IM, oral, nasal, sublingual *Also known as cyanocobalamin ==Adult Dosing== *Normal absorption:..."</p>
<p><b>New page</b></p><div>==Administration==<br />
*Type: Vitamin <br />
*Dosage Forms:<br />
*Routes of Administration: IV/IM, oral, nasal, sublingual<br />
*Also known as cyanocobalamin<br />
<br />
==Adult Dosing==<br />
*Normal absorption: 1000 mcg/day PO<br />
*Malabsorption: 100-1000 mcg IV/IM or deep SC injection daily for 6 or 7 days<br />
*Nasal spray: 500 mcg intranasally in one nostril weekly<br />
<br />
==Pediatric Dosing==<br />
*30-50mcg IM daily (preferred) OR 1000 mcg/day PO<br />
<br />
==Special Populations==<br />
*[[Drug Ratings in Pregnancy|Pregnancy Rating]]: C<br />
*[[Lactation risk categories|Lactation risk]]: Infant risk cannot be ruled out<br />
*Renal dosing: increased dose/frequency may be required<br />
*Hepatic dosing: increased dose/frequency may be required<br />
<br />
==Contraindications==<br />
*Allergy to class/drug<br />
<br />
==Adverse Reactions==<br />
===Serious===<br />
*CHF, pulmonary edema<br />
*Anaphylaxis, angioedema<br />
*Peripheral vascular disease<br />
===Common===<br />
*Injection site pain<br />
*Arthralgia<br />
*Dizziness, headache<br />
*Nasopharyngitis<br />
<br />
==Pharmacology==<br />
*Half-life: <br />
*Metabolism: biliary; enterohepatic cycling<br />
*Excretion: mostly renal<br />
<br />
==Mechanism of Action==<br />
*Vital to cell reproduction, growth, and synthesis of myelin and nucleoprotein, as well as energy metabolism<br />
<br />
==Comments==<br />
<br />
==See Also==<br />
*[[Vitamin B12 deficiency]]<br />
*[[Folic acid]]<br />
*[[Vitamin deficiencies]]<br />
<br />
==References==<br />
<references/><br />
[[Category:Pharmacology]] [[Category:FEN]]</div>
ClaireLewis