Drilldown: Medicines

Cetirizine (1) · Levocetirizine (1) · Levofloxacin (1) · Moxifloxacin (1)

Avelox (oral/IV brand discontinued US); Vigamox, Moxeza (ophthalmic) (1) · Levaquin (US brand discontinued); generic and ophthalmic Quixin/Iquix (1) · Xyzal, Xyzal Allergy 24HR (OTC) (1) · Zyrtec, Zyrtec-D (1)

[[:Category:Antibacterials|Antibacterial]] (2) · [[:Category:Antihistamines|Antihistamine]] (2) · [[:Category:Fluoroquinolones|Fluoroquinolone antibiotic]] (2) · [[:Category:H1_receptor_antagonists|Histamine H1 receptor antagonist (second-generation)]] (2)

None (1) · '"`UNIQ--vote-00000391-QINU`"' Minimal CYP metabolism; mostly renally cleared unchanged. Cetirizine is the active racemate; levocetirizine is the active R-enantiomer marketed separately'"`UNIQ--ref-00000392-QINU`"'. (1) · '"`UNIQ--vote-00000950-QINU`"' Mostly renally cleared unchanged; dose-reduce in renal impairment. Like cetirizine, retains slightly more sedation than fexofenadine in some users'"`UNIQ--ref-00000951-QINU`"'. (1) · '"`UNIQ--vote-00000D7A-QINU`"' Substantial QT-interval prolongation — the most QT-prolonging fluoroquinolone — limits use in patients on other QT-prolonging agents or with electrolyte abnormalities'"`UNIQ--ref-00000D7B-QINU`"'. (1)

'"`UNIQ--vote-00000393-QINU`"', '"`UNIQ--vote-00000394-QINU`"', '"`UNIQ--vote-00000395-QINU`"' (1) · '"`UNIQ--vote-00000952-QINU`"', '"`UNIQ--vote-00000953-QINU`"' (1) · '"`UNIQ--vote-00000CEF-QINU`"', '"`UNIQ--vote-00000CF0-QINU`"', '"`UNIQ--vote-00000CF1-QINU`"', '"`UNIQ--vote-00000CF2-QINU`"', '"`UNIQ--vote-00000CF3-QINU`"', '"`UNIQ--vote-00000CF4-QINU`"' (1) · '"`UNIQ--vote-00000D7C-QINU`"', '"`UNIQ--vote-00000D7D-QINU`"', '"`UNIQ--vote-00000D7E-QINU`"', '"`UNIQ--vote-00000D7F-QINU`"', '"`UNIQ--vote-00000D80-QINU`"', '"`UNIQ--vote-00000D81-QINU`"' (1)

10 mg PO once daily (5 mg in older adults or if sedation occurs) (1) · 400 mg PO/IV once daily (1) · 5 mg PO once daily in the evening (1) · 500-750 mg PO/IV once daily (1)

250, 500, 750 mg tablets; 25 mg/mL oral solution; 25 mg/mL IV (premix bags 250, 500, 750 mg); 0.5%, 1.5% ophthalmic solutions (1) · 400 mg tablets; 400 mg/250 mL IV; 0.5% ophthalmic solution (1) · 5 mg tablets; 2.5 mg/5 mL oral solution; OTC (1) · 5 mg, 10 mg tablets; 5 mg, 10 mg chewables; 1 mg/mL oral syrup; OTC (1)

10 mg/d (adults) (1) · 400 mg/d (1) · 5 mg/d (adults) (1) · 750 mg/d (1)

IV (2) · Oral (4) · topical ophthalmic (2)

None · Hours · 30-60 minutes · 1-2 hours · ~30 min · LDL lowering at 2 weeks, max by 4 weeks · ~1 hour · 15-30 minutes · 15–30 min · 1–2 h · 30–60 min · Antidepressant effect emerges over 1-2 weeks · BP and symptomatic LUTS improvement within 1-2 weeks · BP effect within 1-2 weeks · Clinical improvement within 24-72 hours · Days · Motor improvement over days at therapeutic dose · Over weeks · Postprandial glucose effect within days; HbA1c by 12 weeks · Sleep effect from first dose; antidepressant effect over 1-4 weeks

Other values:

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None · 24 hours · 4-6 hours · 12 hours · 6-8 hours · Daily dosing · 8-12 hours · 12-24 hours · Hours · Hours per application · 24 hours (HS dosing) · 24 hours (once-daily dosing) · 24 h · N/A · N/A (replacement) · Variable · ~7-8 hours · 3-5 hours · 4-6 hours (IR); 24 hours (ER) · 6-12 hours

Other values:

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8-10 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000396-QINU`"' (1) · ~12 hours'"`UNIQ--ref-00000D82-QINU`"' (1) · ~6-8 hours'"`UNIQ--ref-00000CF5-QINU`"' (1) · ~8 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000954-QINU`"' (1)

High (oral); not significantly affected by food'"`UNIQ--ref-00000397-QINU`"' (1) · ~85-90% (oral; not significantly affected by food)'"`UNIQ--ref-00000955-QINU`"' (1) · ~90% (oral; not affected by food but reduced by divalent cations)'"`UNIQ--ref-00000D83-QINU`"' (1) · ~99% (oral; matched 1:1 IV-to-PO conversion)'"`UNIQ--ref-00000CF6-QINU`"' (1)

'''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · '''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity; class-wide concern).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; widely used. Cetirizine and loratadine remain the more-studied alternatives.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; widely used. Levocetirizine (the R-enantiomer) is an alternative with similar safety.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC in US (2) · [[USLegal:Prescription only|Rx-only]] in US. Carries the same fluoroquinolone-class '''Boxed Warnings''' as ciprofloxacin/levofloxacin'"`UNIQ--ref-00000D84-QINU`"' (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries the same fluoroquinolone-class '''Boxed Warnings''' as ciprofloxacin: tendinitis/tendon rupture (especially elderly, corticosteroid co-use), peripheral neuropathy, CNS effects, worsening of myasthenia gravis'"`UNIQ--ref-00000CF7-QINU`"' (1)