Drilldown: Medicines

Ascorbic acid (vitamin C) (1) · Desvenlafaxine (succinate) (1) · Dexmethylphenidate (1) · Paroxetine (HCl; mesylate as Pexeva) (1) · Sildenafil (1)

Focalin, Focalin XR (1) · Generic; huge OTC presence (1) · Paxil (IR), Paxil CR (controlled-release), Brisdelle (low-dose for menopausal vasomotor symptoms), Pexeva (paroxetine mesylate) (1) · Pristiq (1) · Viagra, Revatio (1)

CNS stimulant (1) · NDRI (1) · PDE5 Inhibitor (1) · Psychostimulant (1) · [[:Category:Antidepressants|Antidepressant]] (2) · [[:Category:Antioxidants|Antioxidant]] (1) · [[:Category:Anxiolytics|Anxiolytic]] (1) · [[:Category:SNRIs|Serotonin-norepinephrine reuptake inhibitor (SNRI)]] (1) · [[:Category:SSRIs|Selective serotonin reuptake inhibitor (SSRI)]] (1) · [[:Category:Vitamins|Vitamin]] (1) · [[:Category:Water-soluble_vitamins|Water-soluble vitamin]] (1)

None (3) · Norepinephrine–dopamine reuptake inhibition (DAT, NET), d-threo enantiomer of methylphenidate (1) · Selective inhibitor of phosphodiesterase type 5 (PDE5), preventing cGMP breakdown in vascular smooth muscle. In the corpus cavernosum, potentiates the NO/cGMP cascade triggered by sexual stimulation. (1)

'"`UNIQ--vote-00000017-QINU`"', '"`UNIQ--vote-00000018-QINU`"', '"`UNIQ--vote-00000019-QINU`"' (1) · '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-QINU`"', '"`UNIQ--vote-00000026-QINU`"', '"`UNIQ--vote-00000027-QINU`"', '"`UNIQ--vote-00000028-QINU`"', '"`UNIQ--vote-00000029-QINU`"', '"`UNIQ--vote-0000002A-QINU`"' (1) · '"`UNIQ--vote-00000150-QINU`"', '"`UNIQ--vote-00000151-QINU`"' (1) · '"`UNIQ--vote-00000705-QINU`"', '"`UNIQ--vote-00000706-QINU`"' (1) · '"`UNIQ--vote-000012E5-QINU`"', '"`UNIQ--vote-000012E6-QINU`"', '"`UNIQ--vote-000012E7-QINU`"', '"`UNIQ--vote-000012E8-QINU`"' (1)

None (1) · 50 mg PO once daily ('''no titration required''', distinguishing it favorably from venlafaxine) (1) · 50 mg ~1 h before sexual activity (ED); 20 mg TID (PAH) (1) · General supplementation 75-90 mg/d (RDA); scurvy treatment 100-1000 mg/d for several weeks; megadose claims unsupported (1) · MDD/GAD: 20 mg PO once daily. Panic disorder: 10 mg titrating to 40 mg. OCD: 20 mg titrating to 40-60 mg. CR: 25 mg/day. Brisdelle: 7.5 mg at bedtime for hot flashes (1)

None (1) · 100, 250, 500, 1000 mg tablets, chewables, gummies, effervescent; IV (specialty) (1) · 25, 50, 100 mg tabs (Viagra); 20 mg tabs and 10 mg/mL oral suspension (Revatio) (1) · ER tablets 25, 50, 100 mg (1) · IR tablets 10, 20, 30, 40 mg; CR tablets 12.5, 25, 37.5 mg; oral suspension 10 mg/5 mL; Brisdelle capsules 7.5 mg (1)

None (1) · 100 mg/d (ED); 20 mg TID (PAH) (1) · 50 mg/day (IR); 62.5 mg/day (CR); 60 mg/day (OCD) (1) · 50 mg/day (no efficacy benefit shown for higher doses despite the 100 mg strength being available) (1) · UL 2000 mg/d in adults (1)

IV (1) · IV (Revatio) (1) · 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 (1) · 24 hours (once-daily dosing) (1) · Hours (1) · IR 4–6 h; XR 8–12 h (1) · ~4 h (1)

2.2 h (IR parent); ~3 h (XR parent) (1) · ~10-20 days (steady-state body pool); single dose plasma ~2 hours (1) · ~11 hours'"`UNIQ--ref-0000001A-QINU`"' (1) · ~21 hours (with nonlinear pharmacokinetics from CYP2D6 autoinhibition)'"`UNIQ--ref-0000002B-QINU`"' (1) · ~4 h (1)

Highly variable due to saturable first-pass metabolism'"`UNIQ--ref-0000002C-QINU`"' (1) · ~22–25% (1) · ~40% (1) · ~70-90% at typical doses; saturable at high doses (>500 mg) (1) · ~80% (oral)'"`UNIQ--ref-0000001B-QINU`"' (1)

'''Among the least preferred SSRIs in pregnancy.''' Observational signal for cardiac malformations (atrial and ventricular septal defects) with first-trimester exposure, and the most severe neonatal adaptation syndrome of any SSRI with third-trimester exposure'"`UNIQ--ref-0000002D-QINU`"' (1) · Category B (1) · Category C (1) · Observational signal for neonatal adaptation syndrome with late-pregnancy exposure (SNRI class effect).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Safe at routine doses; routinely supplemented in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC in US (1) · Rx-only in US (1) · Schedule II (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-0000001C-QINU`"' (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-0000002E-QINU`"' (1)