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None (43) · Armour Thyroid, NP Thyroid, Nature-Throid, WP Thyroid (1) · Cytomel (oral), Triostat (IV) (1) · DXM (1) · DXO (1) · Spravato (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1)

Research material · Classic Psychedelic · Stimulant · Opioid · Sedative-Hypnotic · Phenethylamine · Tryptamine · Benzodiazepine · Botanical · [[:Category:Antihypertensives|Antihypertensive]] · Dissociative · Anticonvulsant · Antidepressant · Plant Medicine · Analgesic · Antiparkinsonian · Antipsychotic · Empathogen · Neuroleptic · Cathinone

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None (2) · 5-HT2A agonist (15) · 5-HT2A agonist; 5-HT3 antagonist (1) · 5-HT2A agonist; minor psilocybin mushroom alkaloid (1) · 5-HT2A agonist; primarily auditory effects (1) · 5-HT2A agonist; sigma-1 agonist (1) · Active metabolite of DXM; NMDA antagonist (1) · Contains salvinorin A (1) · Kappa-opioid agonist; NMDA antagonist; SERT/DAT/NET inhibitor (1) · Kappa-opioid receptor agonist (1) · Monoamine releasing agent; 5-HT2A agonist; MAO inhibitor (1) · NMDA antagonist (3) · NMDA antagonist; endogenous opioid releaser (1) · NMDA antagonist; fluorinated ketamine analogue (1) · NMDA antagonist; kappa-opioid agonist (1) · NMDA antagonist; ketamine analogue (1) · NMDA antagonist; more stimulating than PCP (1) · NMDA antagonist; opioid agonist (1) · NMDA antagonist; potent opioid agonist (1) · NMDA antagonist; SERT inhibitor; sigma-1 agonist (1) · NMDA antagonist; sigma receptor agonist (2) · NMDA antagonist; sigma receptor agonist; dopaminergic (1) · NMDA antagonist; sigma-1 agonist; serotonin reuptake inhibitor (1) · Potent 5-HT2A agonist; sigma-1 agonist (1) · Prodrug of 4-HO-DET; 5-HT2A agonist (1) · Prodrug of 4-HO-DiPT; 5-HT2A agonist (1) · Prodrug of 4-HO-MET; 5-HT2A agonist (1) · Prodrug of 4-HO-MiPT; 5-HT2A agonist (1) · Prodrug of psilocin; 5-HT2A agonist (1) · 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-00000032-QINU`"' Brand-to-brand and lot-to-lot variability in T3:T4 ratio is greater than with synthetic levothyroxine, which is why endocrine guidelines prefer the synthetic'"`UNIQ--ref-00000033-QINU`"'. (1)

None (45) · Treatment-resistant depression (TRD) in adults, as adjunct to oral antidepressant (FDA-approved March 2019). Depressive symptoms in adults with MDD with acute suicidal ideation or behavior (FDA-approved Aug 2020). (1) · '"`UNIQ--vote-00000033-QINU`"', '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1) · '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1) · '"`UNIQ--vote-0000149A-QINU`"', '"`UNIQ--vote-0000149B-QINU`"', '"`UNIQ--vote-0000149C-QINU`"' (1)

None (45) · 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) · 30 mg PO daily (1/2 grain); titrate by TSH at 6-8 weeks; 60 mg desiccated thyroid is approximately equivalent to 88-100 mcg levothyroxine (1) · Hypothyroidism: 5-25 mcg PO daily (start low, titrate slowly); myxedema coma: 5-20 mcg IV q4-12h with T4 loading (1) · Induction (TRD): 56 mg intranasal twice weekly × 4 weeks. Maintenance: 56-84 mg once weekly × 4 weeks, then 56-84 mg every 1-2 weeks. For acute suicidality: 84 mg twice weekly × 4 weeks. Administered under medical supervision in REMS-certified site. (1)

None (45) · 15, 30, 60, 90, 120, 180, 240, 300 mg tablets (1/4 to 5 grains; 1 grain = 60 mg) (1) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · 28 mg/device (each dose uses 2 devices) (1) · 5, 25, 50 mcg tablets (Cytomel); 10 mcg/mL IV (Triostat) (1)

None (45) · 100 mcg/d typical (1) · 84 mg per session (1) · No fixed maximum; titrated to TSH target (2)

None (45) · Intranasal (under direct medical supervision) (1) · IV (2) · Oral (3)

None (45) · Hours (faster than T4); peak biologic activity 24-48 hours (1) · TSH normalization 4-8 weeks (1) · TSH normalization 4-8 weeks; symptomatic improvement weeks to months (1) · Within hours of first administration (1)

None (45) · 24-72 hours (1) · Acute effect ~24 hours; cumulative effect builds with repeated dosing (1) · Steady-state at 4-6 weeks (2)

None (45) · T4 ~7 days; T3 ~1 day'"`UNIQ--ref-00000036-QINU`"' (1) · ~1 day (much shorter than T4's ~7 days)'"`UNIQ--ref-0000149D-QINU`"' (1) · ~7 days (euthyroid); longer in hypothyroidism (~9-10 days), shorter in hyperthyroidism'"`UNIQ--ref-00000036-QINU`"' (1) · ~7-12 hours (1)

None (45) · 40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"' (1) · Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-00000037-QINU`"' (1) · ~48% intranasal (1) · ~95% (oral)'"`UNIQ--ref-0000149E-QINU`"' (1)

None (45) · Avoid; may cause fetal harm (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) · Synthetic levothyroxine is the standard-of-care in pregnancy; desiccated thyroid use in pregnancy is not well studied<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · T4 (levothyroxine) is the first-line in pregnancy; T3 is rarely needed.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

None (45) · Rx, Schedule III (US). REMS program required. (1) · [[USLegal:Prescription only|Rx-only]] in US (3)