https://pharmacopedia.wiki/index.php?action=history&feed=atom&title=Timolol Timolol - Revision history 2026-05-28T22:08:56Z Revision history for this page on the wiki MediaWiki 1.46.0-beta https://pharmacopedia.wiki/index.php?title=Timolol&diff=6696&oldid=prev MDElliottMD: parser-claude: Timolol MedTemplate refill, Top 300 stub upgrade 2026-05-23T07:13:43Z <p>parser-claude: Timolol MedTemplate refill, Top 300 stub upgrade</p> <table style="background-color: #fff; color: #202122;" data-mw-interface=""> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <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 07:13, 23 May 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</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;">{{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 = Timolol</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>= Timolol <ins style="font-weight: bold; text-decoration: none;">(maleate)</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>| brand <del style="font-weight: bold; text-decoration: none;">  </del>= Blocadren</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>| brand <ins style="font-weight: bold; text-decoration: none;">            </ins>= <ins style="font-weight: bold; text-decoration: none;">Timoptic (ophthalmic), Timoptic-XE (gel-forming once-daily), Istalol (once-daily 0.5%), Betimol; </ins>Blocadren <ins style="font-weight: bold; text-decoration: none;">(oral, discontinued in many markets); combination eye drops Combigan (with brimonidine), Cosopt (with dorzolamide)</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>| 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;">| structure        =</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;">Timolol </del>is <del style="font-weight: bold; text-decoration: none;">a non</del>-selective <del style="font-weight: bold; text-decoration: none;">beta </del>blocker. <del style="font-weight: bold; text-decoration: none;">In addition to cardiovascular uses</del>, <del style="font-weight: bold; text-decoration: none;">it </del>is <del style="font-weight: bold; text-decoration: none;">widely used as an eye drop in </del>the <del style="font-weight: bold; text-decoration: none;">treatment of glaucoma</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>| classes <ins style="font-weight: bold; text-decoration: none;">          </ins>= <ins style="font-weight: bold; text-decoration: none;">[[:Category:Beta blockers|</ins>Beta blocker <ins style="font-weight: bold; text-decoration: none;">(non-selective)]], [[:Category:Antiglaucoma medicines|Antiglaucoma medicine]], [[:Category:Antihypertensives|Antihypertensive]], [[:Category:Migraine prophylactics|Migraine prophylactic]]</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              = &lt;vote slug="open-angle-glaucoma-use"&gt;Open-angle glaucoma and ocular hypertension (FDA, ophthalmic; the dominant current use)&lt;/vote&gt;, &lt;vote slug="hypertension-use"&gt;Hypertension (FDA, oral)&lt;/vote&gt;, &lt;vote slug="post-mi-use"&gt;Post-myocardial-infarction secondary prevention (FDA, oral)&lt;/vote&gt;, &lt;vote slug="migraine-prophylaxis-use"&gt;Migraine prophylaxis (FDA, oral)&lt;/vote&gt;</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    = Ophthalmic: 1 drop 0.5% in affected eye(s) BID (or once daily for XE / Istalol). Oral hypertension: 10 mg PO BID, titrate to 60 mg/day. Migraine prophylaxis: 10 mg BID, titrate to 30 mg/day</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 5, 10, 20 mg; ophthalmic solution 0.25%, 0.5%; ophthalmic gel-forming solution 0.25%, 0.5% (Timoptic-XE)</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          = 60 mg/day (oral, hypertension); 0.5% BID (ophthalmic)</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, ophthalmic</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); IOP reduction within 30 minutes, full effect 1-2 weeks (ophthalmic)</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          = 12 hours (oral BID); 24 hours (Timoptic-XE)</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          = ~4 hours (oral)&lt;ref name="timoptic-label"&gt;FDA Prescribing Information, Timoptic (timolol maleate ophthalmic solution), Bausch &amp; Lomb/Merck, current revision. https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/018086s068lbl.pdf&lt;/ref&gt;</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;">~50% (oral); systemic absorption from ophthalmic application </ins>is <ins style="font-weight: bold; text-decoration: none;">clinically meaningful via nasolacrimal drainage&lt;ref name="timoptic-label" /&gt;</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        = Limited human data; β-blocker class effects include fetal growth restriction and neonatal bradycardia/hypoglycemia.{{citation needed}}</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        = &lt;vote slug="timolol-mech-claim"&gt;Non</ins>-selective <ins style="font-weight: bold; text-decoration: none;">β1 and β2 adrenergic receptor antagonist. Ophthalmic application reduces aqueous humor production at ciliary-body β2 receptors, lowering intraocular pressure 20-30%, the basis of the glaucoma indication. Systemic oral use achieves the standard β-</ins>blocker <ins style="font-weight: bold; text-decoration: none;">effects on heart rate, contractility, and renin secretion</ins>.<ins style="font-weight: bold; text-decoration: none;">&lt;/vote&gt; '''Systemic absorption from eye drops is clinically meaningful''' via nasolacrimal drainage, producing bradycardia, bronchospasm (worth considering in asthma and COPD)</ins>, <ins style="font-weight: bold; text-decoration: none;">and hypoglycemia masking in diabetic patients. '''Nasolacrimal occlusion''' (pressing on the inner canthus for 1-2 minutes after instillation) reduces systemic exposure by approximately 70% and </ins>is the <ins style="font-weight: bold; text-decoration: none;">standard counseling pearl&lt;ref name="timoptic-label" /&gt;</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> <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;"></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;">== References ==</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;">&lt;references /&gt;</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;"></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;">[[Category:Beta blockers]]</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;">[[Category:Antiglaucoma medicines]]</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;">[[Category:Antihypertensives]]</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;">[[Category:Migraine prophylactics]]</ins></div></td></tr> </table> MDElliottMD https://pharmacopedia.wiki/index.php?title=Timolol&diff=4483&oldid=prev MDElliottMD: Create stub for Timolol (linked from Category:Beta Blockers / Barbiturates / Sedative-Hypnotics Members section) 2026-05-18T02:42:38Z <p>Create stub for Timolol (linked from Category:Beta Blockers / Barbiturates / Sedative-Hypnotics Members section)</p> <p><b>New page</b></p><div>{{Stub}}<br /> {{MedTemplate<br /> | generic = Timolol<br /> | brand = Blocadren<br /> | classes = Beta blocker<br /> | intro = Timolol is a non-selective beta blocker. In addition to cardiovascular uses, it is widely used as an eye drop in the treatment of glaucoma.<br /> }}</div> MDElliottMD