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GI MEDS
GI MEDS
98
Nursing
Undergraduate 3
07/18/2012

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Term
H2 - Receptor Blockers EX
Definition
Zantac, Pepcid
Term
H2 - Receptor Blockers AX
Definition
Blocks H2- receptors in the gastric parietal cells in stomach to decrease acid production
Term
H2 - Receptor Blockers USES
Definition
Ulcers of all kinds, zollinger-ellison syndrome, GERD, GI hemorrhage
Term
H2 - Receptor Blockers SEs
Definition
Possible reduction in RBCs and WBCs and plts; impotence or loss of libido in men; possible B12 deficiency
Term
H2 - Receptor Blockers NSG IMP
Definition
PO, IV (do not mix w/ other meds)
Do not give antacids w/in 1 hour of adm
May alter effectiveness of other meds
Assess kidney and liver function
Asses use of OTC formulations
If using OTC formulations, seek medical attention if symptoms persist or reoccur
-Persistent epigastric pain or heartburn may be symptom of more serious disease
Term
Proton Pump Inhibitors EX
Definition
Prilosec, Protonix
Term
Proton Pump Inhibitors AX
Definition
reduces acid secretion in stomach by binding irreversibly to enzyme H+, K+-ATPase, responsible for hydrochloric acid
Term
Proton Pump Inhibitors USES
Definition
for short-term, 4- to 8-week therapy for peptic ulcers and GERD, & Zollinger-Ellison syndrome
Term
Proton Pump Inhibitors SEs
Definition
HA, nausea, diarrhea, rash, abd pain
Long-term use associated with increased risk of gastric cancer
Term
Proton Pump Inhibitors Info
Definition
Have longer duration than H2-receptor blockers
Term
Proton Pump Inhibitors NSG IMP
Definition
May give w/ antacids
PO, IV (Protonix must be given w/ a filter)
May affect other meds
Monitor liver function & serum gastrin with long-term use
Take 30 min AC, usually before breakfast
Often administered in combination w/ clarithromycin (Biaxin)
Term
Antacids EX
Definition
Amphojel, Rolaids, Tums, Mylanta, Alka Seltzer, Basajel
Term
Antacids AX
Definition
neutralizes stomach acid by raising pH of stomach contents
Inexpensive & effective
Relieve symptoms but do not promote ulcer healing
Term
Antacids USES
Definition
in combo w/ other antiulcer agents for relief of heartburn due to PUD or GERD, gas, & bloating
Term
Antacids SEs
Definition
Al and Ca compounds may cause constipation
Mg compounds can cause diarrhea
Term
Antacids NSG IMP
Definition
PO
May alter effectiveness of other meds
Assess OTC use and prescription drugs
Shake suspensions well
Monitor for electrolyte imbalances
Assess patient for signs of renal insufficiency
Hypermagnesemia may occur—kidneys unable to excrete excess magnesium
Term
Antibiotics for H. pylori EX
Definition
Amoxil, Biaxin, Flagyl
Term
Prokinetic Meds EX
Definition
Reglan
Term
Prokinetic Meds AX
Definition
decreases reflux by increasing sphincter tone and enhancing acid clearance and increasing gastric emptying
Term
Prokinetic Meds USES
Definition
prevention of N/V, facilitation of sm intestine intubation, GERD
Term
Prokinetic Meds NSG IMP
Definition
PO (give 30 min ac and hs), IV
May affect other meds
Do not give to someone w/ an intestinal obstruction
EPS-Parkinson-like s/s
Term
Mucosal Protective Agents EX
Definition
cytotec, carafate
Term
Mucosal Protective Agents AX
Definition
Cytotec-inhibits gastric secretions, protects gastric mucosa by increasing HCO3 & mucus production and decreasing pepsin
Carafate-protects the site of ulcer formation from acid by forming an adherent coating w/ albumin and fibrogen; it absorbs pepsin decreasing its activity
Term
Mucosal Protective Agents USES
Definition
ulcer prevention and tx
Term
Mucosal Protective Agents NSG IMP
Definition
Take Cytotec w/ food
Take Carafate w/o food or meds for 1-2 hours before or after
Watch other meds
Term
Mucosal Protective Agents EX
Definition
cytotec, carafate
Term
Mucosal Protective Agents AX
Definition
Cytotec-inhibits gastric secretions, protects gastric mucosa by increasing HCO3 & mucus production and decreasing pepsin
Carafate-protects the site of ulcer formation from acid by forming an adherent coating w/ albumin and fibrogen; it absorbs pepsin decreasing its activity
Term
Mucosal Protective Agents USES
Definition
ulcer prevention and tx
Term
Mucosal Protective Agents NSG IMP
Definition
Take Cytotec w/ food
Take Carafate w/o food or meds for 1-2 hours before or after
Watch other meds
Term
Stimulant Laxatives EX
Definition
bisacodyl and caster oil
Term
Stimulant Laxatives AX
Definition
stimulate peristalsis via mucosal irritation or intramural nerve plexus activity increasing motility
Cathartics-agents with a purgative action
May modify the permeability of colonic mucosal cells, which increases F & E secretion
Term
Stimulant Laxatives NSG IMP
Definition
Defecation should occur b/t 6-12 hours after oral adm; 15 min to 2 hours after rectal
Giving at HS can promote AM defecation
Give w/ sufficient H2O or prune juice to aid
May cause stomach cramping
Should not be used long-term-mucosal damage
Term
Stool Softener EX
Definition
Surfak, Colace
Term
Stool Softener AX
Definition
incorporates H2O and lipids into the stool, producing an emollient action that reduces surface tension
Term
Stool Softener USES
Definition
prevent constipation(cardiac pts, post op)
Term
Stool Softener NSG IMP
Definition
May take 1-3 days before stool change occurs
May cause mild cramping
Term
Bulk-forming Laxatives EX
Definition
Metamucil, Fibercon, Citrucel
Term
Bulk-forming Laxatives AX
Definition
includes non-absorbable polysaccharides and cellulose derivatives that combine with H2O in the intestines causing an emollient action; peristalsis is stimulated d/t the increased fecal mass
Term
Bulk-forming Laxatives USES
Definition
constipation; not for impactions
Term
Bulk-forming Laxatives NSG IMP
Definition
May take 12-14 hours for fecal passage
Often causes stomach cramping
Give adequate fluid intake; 8oz w/ powder preps
Term
Hyperosmotic Cathartics EX
Definition
Lactulose, Miralax, MOM, Colyte
Term
Hyperosmotic Cathartics AX
Definition
increase osmotic pressure w/i the intestinal lumen resulting in retention of H2O and softening the stool
Term
Hyperosmotic Cathartics USES
Definition
constipation, reduce ammonia levels (lactulose); bowel prep
Term
Hyperosmotic Cathartics NSG IMP
Definition
PO, supp
Often cramps and may cause diarrhea
Do not give w/ impactions
Term
Lubricant Laxatives EX
Definition
Mineral Oil
Term
Lubricant Laxatives AX
Definition
lubricates the feces and hinders water reabsorption into the colon
Term
Lubricant Laxatives USES
Definition
constipation, bowel prep
Term
Lubricant Laxatives NSG IMP
Definition
PO, enema
May take 6-8 hours
Often cramps
May impair fat soluble vitamin absorption
Do not want pt to aspirate this med
Term
Opioids EX
Definition
Lomotil, Immodium
Term
Opioids AX
Definition
Lomotil-opium decreases intestinal motility; increases rectal tone; atropine has anticholinergic effects
Immodium-inhibits peristalsis and prolongs transit time
Term
Opioids USES
Definition
diarrhea
Term
Opioids NSG IMP
Definition
PO
May cause constipation and sedation
Term
Absorbents EX
Definition
Kaopectate, Pepto
Term
Absorbents AX
Definition
Kaopectate-absorbs bacteria and toxins as well as decreasing H2O loss; absorbent clay
Pepto-decreases synthesis of intestinal prostaglandins; has antibiotic affects also
Term
Absorbents USES
Definition
diarrhea especially caused by food poisoning or H pylori
Term
Absorbents NSG IMP
Definition
Watch for constipation, grey-black tongue and stools
PO
Pepto contains ASA
Term
Miscellaneous EX
Definition
Donnagel, Questran, Bacid
Term
Miscellaneous AX
Definition
Donnagel-anticholinergic
Questran-destroys C diff & bile salt caused diarrhea
Bacid-promotes GI normal flora
Term
Miscellaneous NSG IMP
Definition
Watch for anticholinergic SE
PO
Watch for constipation
Term
Miscellaneous EX
Definition
Donnagel, Questran, Bacid
Term
Miscellaneous AX
Definition
Donnagel-anticholinergic
Questran-destroys C diff & bile salt caused diarrhea
Bacid-promotes GI normal flora
Term
Miscellaneous NSG IMP
Definition
Watch for anticholinergic SE
PO
Watch for constipation
Term
Drugs for IBD and IBS EX (PROTOTYPE DRUG)
Definition
tegaserod (Zelnorm)
Term
Drugs for IBD and IBS AX
Definition
as serotonin receptor agonist that causes an increase stool formation and number of bowel movements
Term
Drugs for IBD and IBS USES
Definition
constipation-dominant form of IBS
Term
Drugs for IBD and IBS SEs
Definition
- diarrhea, which usually occurs as single episode
Resolves as therapy progresses
Contraindicated in severe hepatic or renal impairment, bowel obstruction, gallbladder disease, abdominal pain
Term
Drugs for IBD and IBS NSG IMP
Definition
Monitor liver and renal function
Monitor cardiovascular status
Adm just prior to meal, w/ full glass of H20
Tablets may be crushed
Do not give to pts w/ frequent diarrhea
Term
Serotonin Receptor Antagonists EX
Definition
Anzemet, Zofran
Term
Serotonin Receptor Antagonists AX
Definition
decreases serotonin (major neurotransmitter of vomiting) at the receptor
Term
Serotonin Receptor Antagonists USES
Definition
good for chemo and post op N/V
Nsg Implications
Term
Serotonin Receptor Antagonists NSG IMP
Definition
IV
May be altered by meds that induce P-450 enzymes (rifampin and phenobarb)
Term
Dopamine Receptor Antagonists EX
Definition
Compazine, Thorazine
Term
Dopamine Receptor Antagonists AX
Definition
block dopamine receptors
Term
Dopamine Receptor Antagonists USES
Definition
antipsychotics; motion sickness
Term
Dopamine Receptor Antagonists NSG IMP
Definition
EPS
PO, IM, IV
Term
Cannaboids EX
Definition
Marinol, THC
Term
Cannaboids AX
Definition
unknown; CNS depression?
Term
Cannaboids USES
Definition
n/v associated w/ chemo, AIDS
Term
Cannaboids NSG IMP
Definition
Watch for sedation, tachycardia, hypotension
May lead to dependency
Term
Muscarinic Receptor Antagonists EX
Definition
Bucospan
Term
Muscarinic Receptor Antagonists AX
Definition
inhibits the action of acetylcholine at the muscarinic receptors
Term
Muscarinic Receptor Antagonists USES
Definition
motion sickness and vertigo
Term
Muscarinic Receptor Antagonists NSG IMP
Definition
PO, patch (can work up to 3 days)
Watch for anticholinergic effects
Term
Histamine Receptor Antagonists EX
Definition
Dramamine, Antivert, Phenergan
Term
Histamine Receptor Antagonists AX
Definition
CNS depression
Term
Histamine Receptor Antagonists USES
Definition
motion sickness, vertigo, N/V
Term
Histamine Receptor Antagonists NSG IMP
Definition
PO, IV, IM
Phenergan-give IV doses slowly and dilute with 5-10 ml of NS-burns and caustic
Watch for CNS depression
Term
Anorexiants EX (PROTOTYPE DRUG)
Definition
sibutramine (Meridia)
Term
Anorexiants AX
Definition
as selective serotonin reuptake inhibitor (SSRI)
Term
Anorexiants USE
Definition
most widely prescribed appetite suppressant for short-term control of obesity
Term
Anorexiants SEs
Definition
headache, insomnia, dry mouth
May cause tachycardia and raise blood pressure
Term
Drugs Used to Stimulate Emesis EX
Definition
ipecate
Term
Pancreatic-Enzyme Replacement EX (PROTOTYPE DRUG)
Definition
pancrelipase (Lipancreatin, Pamcrease)
Term
Pancreatic-Enzyme Replacement AX
Definition
contains lipase, protease, & amylase of pork origin
- Facilitate conversion of lipids into glycerol and fatty acids
- Convert starches into dextrin and sugars
- Convert proteins into peptides
Term
Pancreatic-Enzyme Replacement USES
Definition
as replacement therapy for clients with insufficient pancreatic exocrine secretions
Term
Pancreatic-Enzyme Replacement SEs
Definition
GI symptoms of nausea, vomiting, and/or diarrhea
Can cause metabolic symptom of hyperuricosuria
Term
Macrominerals (7 MAJOR)
Definition
Calcium, chlorine, magnesium, phosphorous
Potassium, sodium, sulfur
Term
Macrominerals (9 TRACE/MICRO MINERALS)
Definition
Include iron, iodine, fluorine, and zinc
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