Drilldown: Medicines

None · Codeine · 1,4-Butanediol · 1B-LSD · 1cP-LSD · 1P-LSD · 1V-LSD · 2-AI · 2-FA · 2-FDCK · 2-FMA · 25B-NBOH · 25B-NBOMe · 25C-NBOH · 25C-NBOMe · 25I-NBOH · 25I-NBOMe · 25N-NBOMe · 2C-B · 2C-B-FLY

Other values:

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None (2) · (multiple, generic dominant) (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1)

Analgesic (2) · Classic Psychedelic (1) · Opioid (2) · Phenethylamine (1) · Prodrug (1) · Research material (1) · [[:Category:Hormone_replacement|Hormone replacement]] (1) · [[:Category:Thyroid_hormones|Thyroid hormone]] (1)

Mu-opioid receptor agonist; prodrug (metabolized to morphine) (1) · Potent 5-HT2A agonist (1) · Prodrug; converted to [[Morphine|morphine]] by [[Enzyme:CYP2D6|CYP2D6]] for analgesic action. (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)

None (2) · Mild to moderate pain; cough suppression (low-dose). (1) · '"`UNIQ--vote-00000033-QINU`"', '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1)

None (2) · 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) · Adult: 15–60 mg every 4 hours as needed. (1)

None (2) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · Tablet (15, 30, 60 mg); oral solution; combination products (with [[Acetaminophen|acetaminophen]] or ibuprofen). (1)

None (2) · 360 mg/day (1) · No fixed maximum; titrated to TSH target (1)

None (2) · IV (1) · Oral (1) · PO (only formulation marketed in the US). (1)

None (2) · 30–60 min (PO) (1) · TSH normalization 4-8 weeks; symptomatic improvement weeks to months (1)

None (2) · 4–6 hours (1) · Steady-state at 4-6 weeks (1)

None (2) · 2.5–3 hours (1) · ~7 days (euthyroid); longer in hypothyroidism (~9-10 days), shorter in hyperthyroidism'"`UNIQ--ref-00000036-QINU`"' (1)

None (2) · 40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"' (1) · ~50% (variable, CYP2D6-dependent for analgesic effect). (1)

None (2) · Avoid; risk of neonatal opioid withdrawal with chronic use; UM-mother breastfeeding contraindicated. (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)

None (2) · US Schedule II (single-entity); Schedule III–V (combination products by content). (1) · [[USLegal:Prescription only|Rx-only]] in US (1)