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69 Cards in this Set

  • Front
  • Back
Heartburn
uncomfortable feeling of warmth or burning that arises from the lower chest and moves upward to the neck or throat
postprandial heartburn
occurs after eating
nocturnal heartburn
occurs while sleeping
simple heartburn
typically mild, infrequent, episodic, and often is related to diet or lifestyle
frequent and persistant heartburn (2 or more days a week for 3 or more months)
is the most common symptom of gastroesophageal reflux disease
GERD
not self care condition, symptoms or muscoal damage produced by abnormal reflux of gastric contents into the esophagus.
dyspepsia
upper abdominal discomfort which may include upper abdominal pain, bloating, early satiety (feeling of fullness), nausea or belching
other words for dyspepsia
upset stomach, indigestion, nervous stomach
causes for dyspepsia
May be related to food or other diseases such as peptic ulcer disease (PUD), GERD, gastroparesis, or irritable bowel syndrome
dyspepsia and decreased GI motility-
gastroparesis, sometimes seen in patients who have had diabetes.
non-ulcer dyspepsia
symptoms like you have ulcer, testing that there is no ulcer present
treatment goals for heartburn and dyspepsia
Alleviate symptoms
Prevent recurrent symptoms
Improved quality of life
Prevent complications
selected risk factors for heartburn
dietary-
Fatty/ spicy foods
Chocolate
Peppermint, spearmint
Alcohol
Caffeine
Carbonated beverages and citrus juices
selected risk factors for heartburn
life style-
Smoking
Obesity
Stress
Tight-fitting clothes
Supine position
selected risk factors for heartburn
diseases-
gastroparesis, PUD
selected risk factors for heartburn
pregnancy
releasing estrogen and progesterone, baby pushing on stomach
selected risk factors for heartburn
medications
Bisphosphonates
(Alendronate (Fosamax), risedronate (Actonel) ibandronate(Boniva))--
Aspirin
NSAIDs
Narcotic analgesics
exclusions for self treatment
** alarm
Dysphagia-difficulty swallowing
Odynophagia –painful swallowing
Upper GI bleeding-
Vomiting blood or black material
Blood in stools or black, tarry stools
-Anemia
Unexplained weight loss
alarm symptoms can lead to:
Barretts esophagus: precancerous condition, acid damage continues it can go to esophageal cancer
additional exclusions for self treatment
Any “Alarm Symptoms”
Frequent heartburn for more than 3 months
Heartburn or dyspepsia while taking H2RA or PPI
Heartburn that continues after 2 weeks of treatment
Severe symptoms
Nocturnal heartburn
Chronic hoarseness, wheezing, coughing, or choking
Continuous nausea, vomiting, or diarrhea
Chest pain with sweating, pain radiating to shoulder, arm, neck, or jaw and shortness of breath
Pregnancy
Nursing mothers
Children younger than 12 years
non pharmacologic
dietary and lifestyle changes:
Little evidence to support most measures
Individualize to patient’s dietary and lifestyle patterns
Most patients will still require pharmacologic therapy
non pharmacologic therapy
Avoid food, beverage, medication triggers
Avoid eating large meals
Stop smoking
*Lose weight if overweight
Avoid lying down within 3 hours after meal
*Elevate head of bed using blocks or foam pillow wedge
Do NOT stack regular pillows—worsen symptoms
pharmacologic therapy
Antacids
Histamine 2-Receptor Antagonists
Proton Pump Inhibitors
Bismuth Subsalicylate
characteristics of OTC heartburn medications:
Antacids
onset: <5 minutes
duration: 20 to 30 minutes
symptom relief: excellent

* if taken with food, lasts longer
characteristics of OTC heartburn
medications:
H2RA's
onset: 30 to 40 minutes
duration: 4 to 10 hours
symptom relief: excellent
characteristics of OTC heartburn medications:
H2RA and Antacids
onset: <5 minutes
duration: 8 to 10 hours
symptom relief: excellent
characteristics of OTC heartburn medications:
PPI's
onset: 2 to 3 hours
duration: 18 to 24 hours
symptom relief: superior

* full effect takes 1 to 4 days
Antacids
Products: Contain calcium carbonate, aluminum, magnesium, and/ or sodium bicarbonate
tums
calcium carbonate
rolaids
Calcium Carbonate + Magnesium hydroxide
mylanta, maalox
Aluminum hydroxide + Magnesium hydroxide
alka-seltzer
Sodium bicarbonate
antacid indication
: mild, infrequent heartburn or dyspepsia
antacid MOA
neutralize gastric acid
antacids
drug interactions
tetracyclines, quinolones, levothyroxine, ketoconazole, itraconazole, iron

** separate by 2 hours
antacids
warnings:
Magnesium: may accumulate in renal disease
Aluminum: hypophosphotemia, may accumulate in renal disease
Calcium carbonate: hypercalcemia, renal calculi
Sodium bicarbonate: fluid overload
Milk-alkali syndrome
milk alkali syndrome
: hypocalcaemia (high Ca), metabolic acidosis, renal failure- caused by ingesting a lot of Ca + alkali such as antacid
renal calculi
renal stones
antacid
side-effects
Magnesium: diarrhea
Aluminum: constipation
Calcium carbonate: belching, flatulence, constipation, possible acid rebound
Sodium bicarbonate: belching, flatulence
antacid
dosing
Product specific, take at onset of symptoms and usually may repeat in 1-2 hours
FDA warns of Maalox mix up
FDA has several reports of serious adverse events
Similar packaging and Maalox name
Different ingredients and different symptoms
Maalox Total Relief contains bismuth subsalicylate

** Bleeding, child, aspirin allergy: cannot take bismuth subsalicylate.- Not antacid
OTC H2RA's
products:
ranitidine (Zantac), famotidine (Pepcid AC), cimetidine (Tagamet HB), nizatidine (Axid)
Combination product: famotidine plus calcium carbonate and magnesium (Pepcid Complete)
OTC H2RA's
indication
mild-to-moderate, infrequent heartburn or dyspepsia
OTC H2RA's
MOA
Competitively inhibit the binding of histamine to receptors on gastric parietal cells (H2 receptors) to reduce gastric acid secretion
OTC H2RA's
drug interactions
ketoconazole, itraconazole, iron, calcium carbonate
Cimetidine has the most interactions (P450 3A4, 2D6, 1A2, and 2C9 inhibitor)
Cimetidine inhibits metabolism of warfarin, phenytoin, theophylline
OTC H2RA's
warnings:
caution in renal failure, elderly
OTC H2RA's
side effects
well tolerated
GI upset, dizziness, headache, rare thrombocytopenia (low platelets)
OTC H2RA's
dosing
Take at onset of symptoms or 30-60 minutes before meal when heartburn anticipated
Do not take more than twice daily
Do not use for more than 14 days without physician advice
proton pump inhibitors
products:
omeprazole (Prilosec OTC), lansoprazole (Prevacid 24HR)
Combination product: omeprazole + sodium bicarbonate (Zegerid OTC)

** most potent
proton pump inhibitors
indications
Drug of choice for frequent heartburn or for patients who do not respond to H2RAs
proton pump inhibitors
MOA
Suppress gastric acid secretion by inhibiting the hydrogen potassium ATPase (proton pump)
More potent and longer acting than H2RAs or antacids
proton pump inhibitors
drug interactions
warfarin, phenytoin, diazepam, ketoconazole, itraconazole, iron, calcium carbonate
New concern for interaction with clopidogrel (Plavix)
proton pump inhibitors
warnings
Symptom relief does not preclude presence of gastric cancer
proton pump inhibitors
side effects
diarrhea, constipation, headache
what is the best calcium supplement for a person on PPI's
calcium citrate.

Usually recommend Ca Carbonate, but it needs acid to be absorbed. Ca Citrate does not need acid to be absorbed
PPI may make Plavix (anti platelet drug, take after stroke, stent put in) not work as well.
Could mask symptoms of stomach cancer.
true
proton pump inhibitor
dosing
Take once daily 30-60 minutes before meal (usually breakfast)
Do not treat for more than 14 days
May repeat course if symptoms return after 4 months
proton pump inhibitor
long term side effects
Vitamin B12 malabsorption?
Increased risk of Clostridium difficile infection?
Increased risk of community-acquired pneumonia?
Calcium malabsorption/ hip fracture risk?
Iron malabsorption?

** no conclusive evidence
should patients take an H2RA in combination with PPI's if monotherapy not working?
Self Care: no, if symptoms on 1 agent then refer to physician.
Vast majority: No, but some evidence say it may be okay to take these in combo. H2blocker at night may help to alleviate symptoms.
bismuth subsalicylate (pepto bismol)
indications
heartburn
dyspepsia
bismuth subsalicylate
MOA
antiinfective actions and direct mucosal protective effect
bismuth subsalicylate
drug interactions
tetracyclines, quinolones, anticoagulants, NSAIDs/ aspirin
bismuth subsalicylate
warnings
ulcer or bleeding disorder, aspirin allergy, ringing in ears, avoid in children < 12 years, Reye syndrome, contraindicated in pregnant or nursing women
bismuth subsalicylate
side effects
harmless discoloration of stool and tongue
what is in children's pepto?
calcium carbonate
case study
see slides 30 thru 34
heartburn and dyspepsia in the elderly
More likely to develop complications
More likely to take Rx medication that contributes to heartburn and dyspepsia
More likely to take medications that interact with antacids, H2RAs, PPIs
Consider renal function
Consider side effects

*cimetadine = confusion in elderly
heartburn and dyspepsia in children
Refer children under 12 years to primary care provider
OTC antacids are labeled for children > 12 yrs
OTC H2RAs are labeled for children > 12 yrs
OTC PPIs are labeled for patients > 18 yrs
heartburn and dyspepsia in pregnancy
Refer pregnant women with moderate-to-severe heartburn to primary care provider
Mild, infrequent heartburn may respond to diet and lifestyle modification

H2RA: B (moderate heartburn), PPI: C – not recommended for self care.
H2RA’s shouldn’t be used longer than 2 weeks for self care, but they can be used longer (it won’t be self care though)