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
|