Autacoids Flashcards
Broad classification of autacoids
Peptide
Amine
Lipid
Gas
Histidine undergoes what to form histamine
Decarboxylation
Degradation of histamine occurs by
MAO A enzyme
Receptors of histamine and their types
H1- Gq
H2- Gs
H3-Gi
H4-Gi
First gen H1 antags are also
Non specific muscarinic blockers- posess anti cholinergic props
Parkinsonism, akathesia, common cold, prophylaxis of motion sickness
Most sedative, local anaesthetic anti histamine
Promethazine
DOC for tt of motion sickness
Promethazine
Doc for tt of drug induced parkinsonism
Promethazine
Longest acting anti histaminic
Hydroxyzine
Doc for 1st trimester morning sickness
Doxylamine
Drugs effective in sea sickness
Cyclizine, meclizine, cinnarizine
AVil is
Pheniramine
Least sedative anti histaminic approved for day time
Chlorpheniramine
Terfinadine and astemizole if combined with erythromycin causes
Increased qt int- Torsades pointes
Topical 2nd gen anti histaminics
A Azelastine
L levocarbastine
O Olopatidine
K Ketotifen
A Alcaftadine
H2 blocker- max cyp inhibitor
Cimetidine
H3 agonists
Pitolisant tiprolisant
Doc for narcolepsy
Modafinil
3rd gen antihistaminics
Desloratidine
Levocetrizine
Fexofenadine
Drug inhibiting trp hydroxylase
Telotristat
Which receptor of serotonin is not GPCR
5HT3- ipnotropic
5HT 1A AGONIST
Anti anxiety-
Buspirone
Gepirone
5HT1 A, 5HT 1 D Agonist
Triptans
Ergotamine
Doc for acute migraine
Triptans
5HT 1 F agonist
Lasmiditan
Triptan given by all routes
Sumatriptan
Most effective
Eletriptan
Fastest triptan
Rizatriptan