https://pharmacopedia.wiki/index.php?action=history&feed=atom&title=Labetalol
Labetalol - Revision history
2026-05-28T15:18:32Z
Revision history for this page on the wiki
MediaWiki 1.46.0-beta
https://pharmacopedia.wiki/index.php?title=Labetalol&diff=6723&oldid=prev
MDElliottMD: parser-claude: Labetalol MedTemplate refill, Top 300 stub upgrade
2026-05-23T07:27:22Z
<p>parser-claude: Labetalol MedTemplate refill, Top 300 stub upgrade</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 07:27, 23 May 2026</td>
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<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><del style="font-weight: bold; text-decoration: none;">{{Stub}}</del></div></td><td colspan="2" class="diff-side-added"></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>{{MedTemplate</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>{{MedTemplate</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>| generic = Labetalol</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>| generic <ins style="font-weight: bold; text-decoration: none;"> </ins>= Labetalol</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>| classes = Beta blocker</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><ins style="font-weight: bold; text-decoration: none;">| brand = Trandate, Normodyne (discontinued in US)</ins></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>| <del style="font-weight: bold; text-decoration: none;">intro </del> = <del style="font-weight: bold; text-decoration: none;">Labetalol is a beta blocker that also has </del>blood-<del style="font-weight: bold; text-decoration: none;">vessel</del>-<del style="font-weight: bold; text-decoration: none;">widening (vasodilating</del>) <del style="font-weight: bold; text-decoration: none;">activity through alpha blockade</del>.</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><ins style="font-weight: bold; text-decoration: none;">| structure =</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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>| classes <ins style="font-weight: bold; text-decoration: none;"> </ins>= <ins style="font-weight: bold; text-decoration: none;">[[:Category:</ins>Beta <ins style="font-weight: bold; text-decoration: none;">blockers|Combined alpha-1 and non-selective beta </ins>blocker<ins style="font-weight: bold; text-decoration: none;">]], [[:Category:Antihypertensives|Antihypertensive]]</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| uses = <vote slug="hypertension-use">Hypertension (FDA)</vote>, <vote slug="hypertensive-crisis-use">Hypertensive crisis and severe hypertension (FDA, IV)</vote>, <vote slug="pregnancy-induced-hypertension-use">Hypertension in pregnancy, including preeclampsia and eclampsia (FDA; among the safest antihypertensives in pregnancy)</vote></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| starting_dose = Oral: 100 mg PO BID, titrate to 400 mg BID. IV: 20 mg over 2 minutes, repeat 40-80 mg every 10 minutes as needed (maximum cumulative 300 mg); continuous infusion 2 mg/minute</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| preparations = Tablets 100, 200, 300 mg; injection 5 mg/mL</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| fda_max = 2400 mg/day (oral); 300 mg total per IV bolus dosing series</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| pill_id =</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| routes = Oral, intravenous</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| onset = BP effect within hours (oral); 5-10 minutes (IV)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| duration = 8-12 hours (oral); 4-6 hours (IV)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| halflife = ~6-8 hours<ref name="trandate-label">FDA Prescribing Information, Trandate (labetalol hydrochloride), Prometheus/Bausch, current revision. https://www.accessdata.fda.gov/drugsatfda_docs/label/2010/018716s022lbl.pdf</ref></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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>| <ins style="font-weight: bold; text-decoration: none;">bioavailability </ins> = <ins style="font-weight: bold; text-decoration: none;">~25% (oral; extensive first-pass)<ref name="trandate-label" /></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| pregnancy = '''Among the safest antihypertensives in pregnancy''', recommended for chronic hypertension during pregnancy and first-line for severe hypertension in preeclampsia and eclampsia<ref name="trandate-label" /></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| legal = [[USLegal:Prescription only|Rx-only]] in US</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></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><ins style="font-weight: bold; text-decoration: none;">| mechanism = <vote slug="labetalol-mech-claim">'''Combined α1-adrenergic and non-selective β-adrenergic receptor antagonist''' with approximately 1:3 α:β ratio orally and 1:7 IV. The combined α and β blockade lowers </ins>blood <ins style="font-weight: bold; text-decoration: none;">pressure through two complementary mechanisms: reduced cardiac output and renin secretion (the β effect, shared with all β</ins>-<ins style="font-weight: bold; text-decoration: none;">blockers) plus reduced peripheral vascular resistance via vasodilation (the α effect, distinguishing labetalol from selective β</ins>-<ins style="font-weight: bold; text-decoration: none;">blockers</ins>)<ins style="font-weight: bold; text-decoration: none;">.</vote> The favorable pregnancy safety profile and the dual mechanism support its first-line role in pregnancy-associated hypertension and in hypertensive emergencies where rapid, controllable BP reduction is needed<ref name="trandate-label" /></ins>.</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>}}</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>}}</div></td></tr>
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MDElliottMD
https://pharmacopedia.wiki/index.php?title=Labetalol&diff=4480&oldid=prev
MDElliottMD: Create stub for Labetalol (linked from Category:Beta Blockers / Barbiturates / Sedative-Hypnotics Members section)
2026-05-18T02:42:37Z
<p>Create stub for Labetalol (linked from Category:Beta Blockers / Barbiturates / Sedative-Hypnotics Members section)</p>
<p><b>New page</b></p><div>{{Stub}}<br />
{{MedTemplate<br />
| generic = Labetalol<br />
| classes = Beta blocker<br />
| intro = Labetalol is a beta blocker that also has blood-vessel-widening (vasodilating) activity through alpha blockade.<br />
}}</div>
MDElliottMD