Shared Flashcard Set

Details

Pharm 16: Histamine, serotonin, ergot alkaloids
fml
104
Pharmacology
Professional
02/18/2012

Additional Pharmacology Flashcards

 


 

Cards

Term
bidi goes to camp behave. What does this mean?
Definition
bidi = "B1D1"
to = 2
BeHaVe = BHV
b1, D1, b2, H2, V2 -- these receps increase cAMP
Term
You're GQ, have 1 M&M - what does this mean?
Definition
H1, a1, V1, M1, M2 - these use Gq -> IP3 and DAG
Term
Name the first generation H1 blockers
Definition
diphenhydramine, chlorpheniramine
Term
diphenhydramine, chlorpheniramine - what are these?
Definition
first gen H1 blockers
Term
Where are H1 recepts?
Definition
smooth muscle, endothelium, brain
Term
smooth muscle, endothelium, brain have H__ recepts
Definition
H1
Term
Where are H2 recepts?
Definition
gastric mucosa, cardiac muscle, mast cells, brain
Term
gastric mucosa, cardiac muscle, mast cells, brain have H__ recepts
Definition
H2
Term
Where are H3 receptors?
Definition
presyn: brain, myenteric plexus, other neurons
Term
presyn: brain, myenteric plexus, other neurons have H__ receptors
Definition
H3
Term
Where are H4 receptors?
Definition
eosinophils, neutrophils, CD4+ T cells
Term
H3 H4 shut the door - what does that mean?
Definition
H3 and H4 are inhibitory - Gi
Term
eosinophils, neutrophils, CD4+ T cells have H__ recepts
Definition
H4
Term
therapy for serotonin syn?
Definition
sedation, paralysis, intubation
Term
therapy for neuroleptic malig syn?
Definition
diphenhydramine
Term
Effects of diphenhydramine?
Definition
reduce or prevent H effects on smooth muscle, immune cells, also blocks M and alpha, highly sedative
Term
reduce or prevent H effects on smooth muscle, immune cells, also blocks M and alpha, highly sedative -- NAME THE DRUG
Definition
diphenhydramine
Term
clinical applications of diphenhydramine?
Definition
IgE immediate allergies, esp hay fever, urticaria, some use as sedative, anti-emetic, anti-motion sickness
Term
IgE immediate allergies, esp hay fever, urticaria, some use as sedative, anti-emetic, anti-motion sickness -- NAME THE DRUG
Definition
diphenhydramine
Term
Tox of diphenhydramine?
Definition
sedation, M blockade, ortho hypo, some inhibition of CYP2D6, may prolong some b-blockers
Term
Tox: sedation, M blockade, ortho hypo, some inhibition of CYP2D6, may prolong some b-blockers -- NAME THE DRUG
Definition
diphenhydramine
Term
how does chlorpheniramine compare to diphenhydramine?
Definition
chlorpheniramine, less sedating, fewer autonomic effects
Term
Which drug is an H1 blocker with less sedating and autonomic effects?
Definition
chlorpheniramine
Term
Name the second gen H1 blockers
Definition
cetirizine, loratidine, fexofenadine
Term
cetirizine, loratidine, fexofenadine - what are these?
Definition
second gen H1 blockers
Term
cetirizine - effects?
Definition
reduce or prevent H effects on smooth muscle and immune cells
Term
reduce or prevent H effects on smooth muscle and immune cells-- NAME THE DRUG
Definition
cetirizine
Term
cetirizine - applications?
Definition
IgE immediate allergies, hay fever, urticaria
Term
for IgE immediate allergies, hay fever, urticaria -- NAME THE DRUG
Definition
cetirizine
Term
Cetirizine - tox?
Definition
sedation and arrhythmias in OD
Term
sedation and arrhythmias in OD - NAME THE DRUG
Definition
cetirizine
Term
loratadine and fexofenadine are like...
Definition
cetirizine
Term
Which drugs are very similar to cetirizine?
Definition
loratadine and fexofenadine
Term
Name an H2 blocker
Definition
cimetidine, ranitidine
Term
What is cimetidine?
Definition
H2 blocker
Term
What is sumitriptan?
Definition
5-HT1b/1d partial agonist
Term
5-HT1b/1d partial agonist - NAME THE DRUG
Definition
sumatriptan
Term
sumatriptan - effects?
Definition
effects not fully understood, may reduce release of calcitonin gene-related peptide and perivascular edema in cerebral circulation
Term
effects not fully understood, may reduce release of calcitonin gene-related peptide and perivascular edema in cerebral circulation -- NAME THE DRUG
Definition
sumatriptan
Term
sumatriptan - applications?
Definition
migraine and cluster HA
Term
What to use for migraine and cluster HA?
Definition
sumatriptan
Term
Duration of sumatriptan? Tox?
Definition
duration 2 hrs, tox- paresthesias, dizziness, coronary vasocontriction (additive with others)
Term
duration 2 hrs, tox- paresthesias, dizziness, coronary vasocontriction (additive with others) - NAME THE DRUG
Definition
sumatriptan
Term
How do other triptans differ from sumatriptan?
Definition
longer DOA, 2-6 hrs
Term
Name an HT4 agonist
Definition
tegaserod (for IBS, constipation)
Term
What is tegaserod?
Definition
H4 agonist (for IBS, constipation)
Term
Serotonin agonists work at which receptors? What about antagonists?
Definition
agonists: 5-HT1b/1d, 5-HT4. Antagonists: 5-HT2, 5-HT3
Term
Name a 5-HT2 blocker
Definition
ketanserin (not available in USA)
Term
What is ketanserin?
Definition
5-HT2 blocker
Term
Effects of ketanserin?
Definition
prevents vasoconstriction and bronchospasm of carcinoid syndrome
Term
prevents vasoconstriction and bronchospasm of carcinoid syndrome - NAME THE DRUG
Definition
ketanserin
Term
ketanserin - applications?
Definition
HTN, carcinoid syndrome assoc with carcinoid tumor
Term
for HTN, carcinoid syndrome assoc with carcinoid tumor - NAME THE DRUG
Definition
ketanserin
Term
ketanserin - tox?
Definition
hypotension
Term
tox: hypotension - NAME THE DRUG
Definition
ketanserin
Term
Name a 5-HT3 blocker
Definition
ondansetron
Term
What is ondansetron?
Definition
5-HT3 blocker
Term
ergotamine, ergonovine, and LSD are...
Definition
ergot alkaloids
Term
name the ergot alkaloids
Definition
ergotamine, ergonovine, and LSD
Term
what is ergotamine?
Definition
a vasoselective ergot alkaloid
Term
name a vasoselective ergot alkaloid
Definition
ergotamine
Term
ergotamine: MOA?
Definition
mixed partial agonist at 5-HT2 and alpha receptors
Term
mixed partial agonist at 5-HT2 and alpha receptors - name the drugs
Definition
ergotamine and ergonovine
Term
ergotamine - effects?
Definition
causes marked smooth muscle contraction but blocks alpha-agonist vasocontriction
Term
causes marked smooth muscle contraction but blocks alpha-agonist vasocontriction -- NAME THE DRUG
Definition
ergotamine
Term
ergotamine - applications?
Definition
migraine and cluster headache
Term
besides sumatriptan, what can be used for migraine and cluster HA?
Definition
ergotamine
Term
ergotamine: tox?
Definition
prolonged vasospasm causing gangrene, uterine spasm
Term
tox: prolonged vasospasm causing gangrene, uterine spasm - NAME THE DRUGS
Definition
ergotamine and ergonovine
Term
What is ergonovine?
Definition
uteroselective ergot alkaloid
Term
name a uteroselective ergot alkaloid
Definition
ergonovine
Term
ergonovine: MOA?
Definition
mixed partial agonist at 5-HT2 and alpha receptors
Term
ergonovine - effects?
Definition
marked smooth muscle contraction, some selectivity for uterine smooth muscle, blocks alpha-agonist vasoconstriction
Term
marked smooth muscle contraction, some selectivity for uterine smooth muscle, blocks alpha-agonist vasoconstriction - NAME THE DRUG
Definition
ergonovine
Term
ergonovine - clinical applications?
Definition
postpartum bleeding, migraine
Term
for postpartum bleeding, migraine - NAME THE DRUG
Definition
ergonovine
Term
methylergonovine can be given...
Definition
parenterally
Term
duration of ergotamine? ergonovine?
Definition
12-24, 2-4hrs
Term
what is LSD?
Definition
lysergic acid diethylamide - a CNS selective ergot alkaloid
Term
name a CNS-selective ergot alkaloid
Definition
LSD
Term
LSD: moa?
Definition
CNS 5-HT2 and dopamine agonist, peripheral 5-HT2 agonist
Term
CNS 5-HT2 and dopamine agonist, peripheral 5-HT2 agonist -- NAME THE DRUG
Definition
LSD
Term
LSD - effects?
Definition
hallucinations, psychotomimetic
Term
hallucinations, psychotomimetic - NAME THE DRUG
Definition
LSD
Term
LSD - applications?
Definition
none, widely abused
Term
LSD - duration? tox?
Definition
several hours, prolonged psychotic state, flashbacks
Term
Distribution of histamine receptors H1, H2, and H3
Definition
Smooth muscle; stomach, heart, and mast cells; nerve endings, CNS respectively
Term
Prototype antagonist of H1 and H2 receptors
Definition
Diphenhydramine and impromidine respectively
Term
1st generation antihistamine that is least sedating
Definition
Chlorpheniramine or cyclizine
Term
Generation of antihistamine that has the most CNS effects
Definition
First generation due to being more lipid-soluble
Term
Antihistamine that can be used for anxiety and insomnia and is not addictive
Definition
hydroxyzine (Atarax)
Term
H1 antagonist used in motion sickness
Definition
Dimenhydrinate, meclizine, and other 1st generation
Term
H2 blocker that causes the most interactions with other drugs
Definition
Cimetidine
Term
Clinical use for H2 blockers
Definition
Acid reflux disease, duodenal ulcer and peptic ulcer disease
Term
Receptors for serotonin (5HT-1) are located
Definition
Mostly in the brain, and they mediate synaptic inhibition via increased K+ conductance
Term
Triptan available in parenteral and nasal formulation
Definition
Sumatriptan
Term
H1 blocker that is also a serotonin antagonist
Definition
Cyproheptadine
Term
5HT2 antagonist mediate synaptic excitation in the CNS and smooth muscle contraction
Definition
Ketanserin, cyproheptadine, and ergot alkaloids (partial agonist of alpha and serotonin receptors)
Term
Agents used in treatment of carcinoid tumor
Definition
Ketanserin cyproheptadine, and phenoxybenzamine
Term
5HT-3 antagonist used in chemotherapeutic induced
emesis
Definition
Ondansetron, granisetron,
dolasetron and alosetron
Term
Drug used in ergot alkaloids overdose, ischemia and gangrene
Definition
Nitroprusside
Term
Reason ergot alkaloids are contraindicated in pregnancy
Definition
Uterine contractions
Term
SE of ergot alkaloids
Definition
Hallucinations resembling psychosis
Term
Peptide causing increased capillary permeability and edema
Definition
Bradykinin and histamine
Supporting users have an ad free experience!