• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/61

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

61 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
Cimetidine
famotidine
ranitidine
H2 receptor antagonists
-inhibit meal-related and basal secretion of gastric acid

Reduces
~Pepsin
~Intrinsic Fctr
secretion
H2-receptor antagonists.

Cimetidine
Famotidine
Ranitidine
Can also use to tx allergies when the primary drugs aren't working
H2-receptor antagonists. (representative drugs: cimetidine
famotidine
ranitidine)
Most effective when taken 30 min prior to a provoking meal
H2-receptor antagonists. (representative drugs: cimetidine
famotidine
ranitidine)
PUD tx: how often to take H2 blockers?
Once or twice daily
single dose at bedtime is good to keep acid secretion down all night
ppis preferred
How long does it take h2 blockers to heal a peptic ulcer?
6-8 weeks
better to use a PPI- only takes 4 weeks
CP450 enzymes inhibitor

inhibits:
~Lovastatin
~Warfarin
~Other Rx-s in its class don't.
Cimetidine

Inhibitor of: (enzyme)

Inhibits 2 Rx-s?
CP450 enzymes inhibitor


~Lovastatin
~Warfarin
These drugs suppress IF
but not enough to cause B12 deficiency.
H2-receptor antagonists. (representative drugs: cimetidine
famotidine
ranitidine)
Low dose
OTC drugs to tx dyspepsia
H2-receptor antagonists.
Displays anti androgenic activity and can cause gynecomastia
uncommon in other drugs in its class
Cimetidine- alts are famotidine
ranitidine
These drugs can produce a dose dependent 95% inhibition of gastric acid secretion
Ppis (omeprazole)
Drug of choice for Zollinger Ellison syndrome
Ppis (omeprazole)
T or F- you can use the same dose PPI for ZE syndrome
F
you usually need more
Most effective drug for tx of GERD
Ppis
What does the nonprescription strength ppis tx?
Dyspepsia and heartburn
Used in preventing damage from long-term NSAID use
Ppis (omeprazole)
S/E:

Minor GI
CNS side effects
Rash
LFT elevations
can occur

Nm Rx Class?
Nm Rx?
PPIs
Omeprazole


S?E?
4ct
Minor GI
CNS side effects
Rash
LFT elevations
can occur
Neutralize stomach acid
Antacids

(caco3)
AKA?
Calcium Carbonate
Can cause constipation or rebound in acid secretion
Antacids
Available OTC in combination with an h2 antagonist
Antacids
Reason antacids no longer used for PUD
Do not control nocturnal acid secretion
had to be taken in large doses


What type of Rx-s?
antacids
Nm Class
Nm Rx
2ct

Adheres to Ulcer Craters
and
Inhibits Pepcid digestion of mucosal proteins
Cytoprotective Rx

~Sucralfate
~Misoprostol
Stimulates prostaglandin synthesis in mucosal cells
Sucralfate

Stimulates ?
prostaglandin synthesis in mucosal cells
Patients absorb a small amount of aluminum from the drug
so this drug should be used cautiously in renal patients
Sucralfate

What is the concern
& for what impaired Pts?
Patients absorb a small amount of aluminum from Rx

So this drug should be used cautiously in
~Renal patients
Used as a tx for
PUD

if H2 blockers
or
PPIs

cannot be used
Sucralfate


Used as a tx for ?
Used as a tx for
PUD

if H2 blockers
or
PPIs

cannot be used
Impairs absorption of fluoroquinolones
Misoprostol


Impairs ?
Impairs absorption of fluoroquinolones
~Inhibits gastric acid secretion

~Promotes the secretion of:
-Bicarb
-Mucus
Misoprostol

~Inhibits?
~Promotes?
~Inhibits gastric acid secretion

~Promotes the secretion of bicarb and mucus
For long term NSAID users who are at risk for getting PUD
Misoprostol
For long term NSAID users
who are at risk for getting
~PUD
Can induce labor
Misoprostol


Can Induce ?
Can Induce labor
-Increases esophageal sphincter pressure
-Blocks d2 receptors
(Dopa delays stomach emptying - this blocks Dopamine)
-Increases GI tone
-Increases mobility in Esophagus
-Increases Stomach Motility
Prokinetics (metoclopramide)

How does it work?
5ct
-Increases esophageal sphincter pressure
-Blocks d2 receptors
(Dopamine delays stomach emptying - this blocks Dopamine)
-Increases GI tone
-Increases mobility in Esophagus
-Increases mobility in Stomach
Used for
acute chronic and diabetic gastroparesis
as well as
GERD
intractable hiccup
facilitation of intubation of the small bowel
antiemetic
Prokinetic (metoclopramide)


Used for ?
5ct
~Gastroparesis (acute chronic & diabetic )
~GERD
~Intractable hiccup
~Facilitation of intubation of the small bowel
~Antiemetic
CONTRAINDICATED in Pts with

-GI Mechanical obstruction
-GI Hemorrhage
-Pheos
-Seizures
(Metoclopramide)
(is also classified as a ?)


CONTRAINDICATED in Pts with
~Prokinetic

-GI Mechanical obstruction
-GI Hemorrhage
-Pheo-s
-Seizures
Prokinetic
Metoclopramide

Nm Receptor

Agonist or Antagonist
D2

Antagonist
Indigestible hydrophilics that absorb and retain water resulting in distention in the intestines
which stimulates peristalsis
Bulk-forming laxatives (psyllium)
Preferred drugs for chronic constipation
also used in tx of diarrhea
Bulk-forming laxatives (psyllium)
Aka surfactant laxatives
these drugs facilitate the absorption of water into fatty intestinal material and soften the feces
Stool softeners (docusate sodium)
Stool softener
Docusate sodium
Indicated for hard and dry stool
painful passage: avoidance of straining necessary EX. Hemorrhoids
post-surgery
Stool softeners (docusate sodium)
Osmotic laxative
Milk of magnesia
Poorly absorbed inorganic salts retain water in lumen
stimulating peristalsis
Osmotic laxatives (milk of magnesia)
Evacuation of the bowel prior to surgery or diagnostic imaging
prevent constipation in pts taking opioids
Osmotic laxatives (milk of magnesia)
Can lead to Excessive loss of fluids/ electrolytes: NOT good for chronic constipation
renal impairment
Osmotic laxatives (milk of magnesia)
Senna
Stimulant laxatives
Bisacodyl
Stimulant laxatives
Act on intestinal mucosa to alter fluid secretion/ stimulate peristalsis

2ct
Stimulant laxatives

-senna
-bisacodyl

MOA?
Act on intestinal mucosa to alter fluid secretion/ stimulate peristalsis
Used for short term tx of constipation
presurgical bowel evacuation

(Not MOM)

-Nm Class
-Nm Rx-s 2ct
Stimulant Laxatives

senna
bisacodyl

Used for short term tx of
-constipation
-presurgical bowel evacuation
Serotonin 5-HT3 receptor antagonist
Ondansetron
During CA chemo

-Serotonin is released from ...
-Entero chromaffin cells...

-What receptors are stimulated?
-Where are they located?
~ 5 HT3 receptors
in the
~ CTZ and the
~ Solitary Tract Nucleus
Chemo stimulates the CTZ. What drug competes and inactivates the receptors involved?
5-HT3 receptor antagonists

Nm Rx?
~Ondansetron
What drug has been confirmed to control post-op nausea and vomiting?
Ondansetron
Adverse effects: anaphylactoid reactions
Ondansetron


A/E:
anaphylactoid reactions
for what anti-Emetic?
(prochlorperazine)

Nm Class?
Phenothiazines (Class)


(Sound alike Rx)
-Promethazine
Nm Class?
-Antihistamines
Inhibit stimulation of CNS vomiting center
d2 receptor blockers
2ct
-Prochlorperazine
-Metoclopramide


Inhibit stimulation of ?
CNS vomiting center
-D2 receptor blockers


CLARIFICATION POINT:

RX ............. ......... Class
~Prochlorperazine - (Phenothiazines )

~Promethazine - (Antihistamines )
Receptors found in the CTZ and solitary tract nucleus

3ct
~ 5ht3
~ D2
~ M1

Where are they found?
Receptors found in the CTZ and solitary tract nucleus
Found in CTZ...
Solitary tract nucleus

& between the

Vestibular apparatus and vomiting center
M1

Found Where?
Found in CTZ...
Solitary tract nucleus

& between the

Vestibular apparatus and vomiting center
Non-Chemotherapy N/V

What Rx
2ct
~Prochlorperazine (Nm Class?)
~Metoclopramide (Nm Class)

What do they not cover?
~Phenothiazines

~D2 Antagonist


~Not for Chemotherapy N/V
Non Rx derivative
Inhibits CNS vomiting center
Marijuana derivatives

Nm Rx-Nm

• Also used for?
Inhibits what part of the Brain?
-Dronabinol

Inhibits CNS vomiting center (Medulla)

• Also an appetite stimulant for anorexic pts with AIDS
Chemotherapy-induced emesis

not as good as serotonin 5ht3 antagonists
but
about as effective as:

-Phenothiazines
(Prochlorperazine)
Marijuana derivatives

Rx Nm?
-Dronabinol
MOA is
~H1 receptor blocker

but also has significant

~antimuscarinic activity
~Promethazine
What Over All Class?

MOA ?
Also has what anti ______ activity
Antihistamines

~H1 receptor blocker

~Anti Muscarinic
Used to tx N/V induced by

~Meds
~Anesthetics
and
~a wide variety of stimuli.

Rx is Usually administered by
~Rectal
~Injection.
Promethazine
(Nm Class?)

-Used to tx N/V induced by

Rx is Usually administered by ?
2ct
-Antihistamines

Used to tx N/V induced by
~Meds
~Anesthetics
~a wide variety of stimuli.

Administration Rts:
~Rectal
~Injection
Used to tx motion sickness
is an m1 receptor agonist
Scopolamine

What receptor?
an m1 receptor agonist