Drilldown: Medicines
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generic:
brand:
None (28) ·
(multiple, generic dominant) (1) ·
Allegra, Allegra Allergy 24 Hour, Mucinex Allergy (combo) — all now OTC in US (1) ·
Claritin, Alavert, Tavist ND (1) ·
Darvon (1) ·
Demerol (1) ·
Dilaudid (1) ·
Dolophine (1) ·
Duragesic (1) ·
Nubain (1) ·
Nucynta (1) ·
Opana (1) ·
Stadol (1) ·
Suboxone (1) ·
Talwin (1) ·
Vicodin (1) ·
Xyzal, Xyzal Allergy 24HR (OTC) (1) ·
Zyrtec, Zyrtec-D (1)
classes: (Click arrow to add another value)
mechanism:
Apomorphine and nuciferine; dopaminergic activity (1) ·
Contains atropine, scopolamine, hyoscyamine (1) ·
Contains bufotenin and DMT (1) ·
Contains harmine, harmaline, tetrahydroharmine (1) ·
Contains ibogaine; kappa-opioid agonist (1) ·
Contains LSA (2) ·
Contains mescaline (2) ·
Contains muscimol and ibotenic acid (1) ·
Contains psilocybin and psilocin (1) ·
Contains salvinorin A (1) ·
DMT + MAOI (harmine/harmaline); 5-HT2A agonist (1) ·
DMT-containing plant used in psychedelic preparations (1) ·
Kappa agonist; mu antagonist (1) ·
Kappa agonist; mu partial agonist (1) ·
Kappa agonist; mu partial agonist/antagonist (1) ·
Kavalactones; GABAA modulator; sigma receptor activity (1) ·
Mechanism incompletely understood (1) ·
Mitragynine/7-hydroxymitragynine; mu-opioid partial agonist (1) ·
Mu-opioid agonist; norepinephrine reuptake inhibitor (1) ·
Mu-opioid receptor agonist (4) ·
Mu-opioid receptor agonist; NMDA antagonist (1) ·
Mu-opioid receptor agonist; prodrug (metabolized to morphine) (1) ·
Mu-opioid receptor agonist; sodium channel blocker (1) ·
Mu/kappa/delta agonist; NMDA antagonist (1) ·
Partial MAOI; anticholinergic effects (1) ·
Partial mu-opioid agonist; kappa antagonist (1) ·
Partial mu-opioid receptor agonist; alpha-2 agonist (1) ·
Phosphodiesterase inhibitor; calcium channel blocker (1) ·
Potent mu-opioid receptor agonist (4) ·
Prodrug; converted to [[Morphine|morphine]] by [[Enzyme:CYP2D6|CYP2D6]] for analgesic action. (1) ·
Reversible MAO-A inhibitor; beta-carboline (1) ·
Reversible MAO-A inhibitor; NMDA antagonist; beta-carboline (1) ·
Weak serotonin reuptake inhibitor; beta-carboline (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-0000061E-QINU`"' Less reliably anticholinergic than first-generation H1s; minimal antiemetic effect. Desloratadine (Clarinex) is the active enantiomer-of-metabolite version marketed as a Rx alternative. (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-00000CC9-QINU`"' Mostly excreted unchanged in feces and urine; P-glycoprotein substrate (the basis of the fruit-juice interaction). (1)
uses:
None (40) ·
Mild to moderate pain; cough suppression (low-dose). (1) ·
'"`UNIQ--vote-00000393-QINU`"', '"`UNIQ--vote-00000394-QINU`"', '"`UNIQ--vote-00000395-QINU`"' (1) ·
'"`UNIQ--vote-0000061F-QINU`"', '"`UNIQ--vote-00000620-QINU`"' (1) ·
'"`UNIQ--vote-00000952-QINU`"', '"`UNIQ--vote-00000953-QINU`"' (1) ·
'"`UNIQ--vote-00000CCA-QINU`"', '"`UNIQ--vote-00000CCB-QINU`"' (1)
starting dose:
preparations:
None (40) ·
10 mg tablets; 5 mg ODT and chewables; 1 mg/mL oral syrup; combo Claritin-D (with pseudoephedrine, behind-counter) (1) ·
30, 60, 180 mg tablets; 30 mg ODT; 6 mg/mL oral suspension; all OTC (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) ·
Tablet (15, 30, 60 mg); oral solution; combination products (with [[Acetaminophen|acetaminophen]] or ibuprofen). (1)
fda max:
onset:
duration:
halflife:
None (40) ·
2.5–3 hours (1) ·
8-10 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000396-QINU`"' (1) ·
~14 hours'"`UNIQ--ref-00000CCC-QINU`"' (1) ·
~8 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000954-QINU`"' (1) ·
~8 hours (parent); ~28 hours (desloratadine, the active metabolite, marketed separately as Clarinex)'"`UNIQ--ref-00000621-QINU`"' (1)
bioavailability:
None (40) ·
High (oral); not significantly affected by food'"`UNIQ--ref-00000397-QINU`"' (1) ·
High (oral; food prolongs absorption modestly)'"`UNIQ--ref-00000622-QINU`"' (1) ·
~33% (oral; fruit juices including grapefruit, orange, and apple reduce absorption substantially via OATP1A2 inhibition — distinctive interaction not seen with most other H1s)'"`UNIQ--ref-00000CCD-QINU`"' (1) ·
~50% (variable, CYP2D6-dependent for analgesic effect). (1) ·
~85-90% (oral; not significantly affected by food)'"`UNIQ--ref-00000955-QINU`"' (1)
pregnancy:
None (40) ·
Avoid; risk of neonatal opioid withdrawal with chronic use; UM-mother breastfeeding contraindicated. (1) ·
Generally considered safe; loratadine and cetirizine have more pregnancy data and are typically preferred.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</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.">[[[Pharmacopedia:Citation needed|citation needed]]]</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.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Generally considered safe; widely used. Loratadine and cetirizine are the most-recommended 2nd-gen H1s in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)
Showing below up to 45 results in range #1 to #45.