Drilldown: Medicines

Azithromycin (1) · Doxazosin (1) · Fluconazole (1) · Levothyroxine (1) · Terazosin (1)

Cardura, Cardura XL (1) · Diflucan (1) · Hytrin (US brand discontinued); mostly generic (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1) · Zithromax, Z-Pak, Zmax (1)

[[:Category:Alpha-1_blockers|Alpha-1 adrenergic blocker (non-selective)]] (2) · [[:Category:Antifungals|Antifungal (triazole)]] (1) · [[:Category:Antihypertensives|Antihypertensive]] (2) · [[:Category:Azalides|Azalide]] (1) · [[:Category:BPH_treatments|Benign prostatic hyperplasia treatment]] (2) · [[:Category:Hormone_replacement|Hormone replacement]] (1) · [[:Category:Macrolide_antibiotics|Macrolide antibiotic]] (1) · [[:Category:Thyroid_hormones|Thyroid hormone]] (1) · [[:Category:Triazoles|Triazole]] (1)

None (3) · Synthetic T4 (thyroxine); peripherally deiodinated to T3 (triiodothyronine), the active hormone. '"`UNIQ--vote-00000031-QINU`"' Narrow therapeutic index; brand-to-generic switches can shift TSH and require re-titration'"`UNIQ--ref-00000032-QINU`"'. (1) · '"`UNIQ--vote-0000111B-QINU`"' Intraoperative floppy iris syndrome is a recognized class effect. Recently emerging evidence (observational) suggests possible Parkinson's disease risk reduction via PGK1 binding — investigational and not a clinical indication'"`UNIQ--ref-0000111C-QINU`"'. (1)

'"`UNIQ--vote-00000033-QINU`"', '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1) · '"`UNIQ--vote-000003F6-QINU`"', '"`UNIQ--vote-000003F7-QINU`"', '"`UNIQ--vote-000003F8-QINU`"', '"`UNIQ--vote-000003F9-QINU`"', '"`UNIQ--vote-000003FA-QINU`"', '"`UNIQ--vote-000003FB-QINU`"' (1) · '"`UNIQ--vote-00000A42-QINU`"', '"`UNIQ--vote-00000A43-QINU`"', '"`UNIQ--vote-00000A44-QINU`"', '"`UNIQ--vote-00000A45-QINU`"', '"`UNIQ--vote-00000A46-QINU`"' (1) · '"`UNIQ--vote-00000AAD-QINU`"', '"`UNIQ--vote-00000AAE-QINU`"', '"`UNIQ--vote-00000AAF-QINU`"' (1) · '"`UNIQ--vote-0000111D-QINU`"', '"`UNIQ--vote-0000111E-QINU`"' (1)

1 mg PO at bedtime to limit first-dose syncope; titrate weekly to 5-10 mg (1) · 1.6 mcg/kg/d in young healthy adults; 25-50 mcg/d in elderly or cardiac disease, titrated by TSH at 6-8 weeks (1) · 500 mg PO day 1, then 250 mg PO daily days 2-5 (Z-Pak); 1 g PO single dose for chlamydia; pediatric dosing 10 mg/kg day 1, 5 mg/kg days 2-5 (1) · IR 1 mg PO at bedtime, titrate weekly; XL 4-8 mg PO daily (1) · Vulvovaginal: 150 mg PO single dose; oropharyngeal: 200 mg PO day 1, then 100 mg daily ×14 days; invasive candidiasis: 800 mg load, then 400 mg PO/IV daily; cryptococcal meningitis: 400-800 mg/d (1)

1, 2, 4, 8 mg IR tablets; 4, 8 mg XL tablets (1) · 1, 2, 5, 10 mg capsules and tablets (1) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · 250 mg, 500 mg, 600 mg tablets; 100, 200 mg/5 mL suspension; 2 g ER suspension (Zmax); 500 mg IV (1) · 50, 100, 150, 200 mg tablets; 10, 40 mg/mL oral suspension; 2 mg/mL IV (1)

16 mg/d (IR); 8 mg/d (XL) (1) · 20 mg/d (1) · 500 mg/d (typical regimen); single 2 g for Zmax; 2 g for select STIs (1) · 800 mg/d (severe invasive disease) (1) · No fixed maximum; titrated to TSH target (1)

IV (3) · Oral (5)

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:

Search

24 hours (3) · Steady-state at 4-6 weeks (1) · Tissue half-life supports once-daily and post-treatment effect (1)

~12 hours'"`UNIQ--ref-0000111F-QINU`"' (1) · ~22 hours'"`UNIQ--ref-00000AB0-QINU`"' (1) · ~30 hours (long, supports once-daily dosing and substantial drug-interaction window after discontinuation)'"`UNIQ--ref-00000A47-QINU`"' (1) · ~68 hours (terminal; reflects deep tissue accumulation, much longer than plasma)'"`UNIQ--ref-000003FC-QINU`"' (1) · ~7 days (euthyroid); longer in hypothyroidism (~9-10 days), shorter in hyperthyroidism'"`UNIQ--ref-00000036-QINU`"' (1)

40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"' (1) · >90% (oral; not affected by food or gastric pH — a major practical advantage over itraconazole)'"`UNIQ--ref-00000A48-QINU`"' (1) · >90% (oral; not significantly affected by food)'"`UNIQ--ref-00001120-QINU`"' (1) · ~37% (oral; food reduces absorption modestly)'"`UNIQ--ref-000003FD-QINU`"' (1) · ~65% (oral)'"`UNIQ--ref-00000AB1-QINU`"' (1)

None (1) · First-line in pregnancy; dose typically increased 25-30% due to estrogen-driven rise in TBG and fetal demand. Lactation safe at physiologic doses.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; commonly used in pregnancy when macrolide indicated.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data; rarely indicated in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

[[USLegal:Prescription only|Rx-only]] in US (5)