Week 8 GI track Flashcards
What is ulcer?
Ulcers formed in the muscular mucosa in the wall of the GI tract
Ulcers occur when stomach acid damages the lining of the digestive tract.
2 type of ulcer
duodenum
stomach(gastric ulcer)
Ulcer
What are 3 main causes?
Helicobacter pylori infection
Used NSAIDS
Stress related mucosal damage
What are mucosa protection? 4
Mucosa secretion(physical barrier)
Bicarbonate(chemical barrier)
Microcirculation(protection method)
Prostaglandin
Maintain basic environment
Our body have too little these protection stuff
H. pylori
How to transmit?
Most affected populations?
Fecal-oral and oral-oral
Kids
Nurses
Ulcer caused by H. pylori
Medication
Helidac
Prevpac
Pylera
Which medication H. pylori starting resistance?
Prevpac
What NSAIDS dose to our body?
Dec production of prostaglandins
(ibuprofen etc)
Prostaglandins support our body’s protective factor(mucus, bicarbonate, microcirculation)
Ulcer caused by NSAIDs
Medication
Misoprostil
(Cytotec)
Misoprostil primary used these day is?
Promote abortion
Misoprostil
a) action
b) ADRs
a) Synthetic prostaglandin E1 analog
Inc mucosal protection
dec gastric acid secretion
b) Diarrhea moderate to severer
Contraindication pregnancy
Helidac®
contain?
Bismuth subsalicylate
Metronidazole
Tetracycline
H2RA
Prevpac®
contain?
Clarithromycin
Amoxicillin
Lansoprazole
Pylera®
contain?
Bismuth subcitrate
Metronidazole
Tetracycline
Omeprazole
What is the GERD?
Gastroesophageal Reflux Disease
Most common GI disorder
Tissue damage due to reflux of gastric contents into the esophagus
What is the condition of the GERD?
Chronic, relapsing condition related abnormal anatomy and motor function
GERD
Typical symptoms 6
Heartburn
Acid regurgitation
Belching (burping)
Abdominal bloating
Early satiety(unable to eat a full meal)
Nausea
GERD
Lifestyle modifications 7
Lose weight #1 cause
Smaller meals and low-fat foods
Avoid acid food
-citrus juice, tomato products, caffeine
Avoid lying down for 2-3 hr after meal
Avoid smoking!!
Elevate HOB
Avoid tight clothing
Antacids
Neutralize gastric acid
Rapid onset
Short duration of action
(take 7-10 times per day)
Mostly local acting
Aluminum hydroxide
Product name
Neutralize gastric acid
Alternagel
Amphojel
Aluminum hydroxide
ADRs
Aluminum= Constipation!!
Osteoporosis
Phosphate depletion
Magnesium
Product name
Neutralize gastric acid
Milk of Magnesia
Mag-OX
Magnesium
ADRs
Diarrhea
Hypokalemia
Hypermagnesemia (renal insufficiency)
Calcium Carbonate
Product name
Neutralize gastric acid
Tums
Chooz
Calcium Carbonate
ADRs
Calcium stone formation
Acid rebound
(Calcium itself cause make more acid)
Milk-alkali syndrome
Sodium Bicarbonate
Product name
Neutralize gastric acid
Alka-Seltzer
Baking soda
Sodium Bicarbonate
ADRs
Systemic alkalosis
Sodium overload
Rolaids
Product
Calcium carbonate
Magnesium hydroxide
Don’t work well as Mylanta
-Synthetic pharmacodynamic drug drug interaction
Mylanta
Maalox
What contain?
Magnesium hydroxide
Aluminum hydroxide
Works better
diarrhea(Mg)+constipation(Al) cancel out
-Pharmacodynamic antagonistic therapeutic drug drug
Antacids
Drug interaction
Tetracycline (Antibiotics)
-direct complex
Bisphosphonates
-reduce absorption
Ketoconazole
-Inc gastric pH to alkaline, dec absorption
Antacid + alginic acid=??
Gaviscon
Aluminum and magnesium antacids
Gaviscon
action
Forms a foam on the liquid present in the stomach
Work only while is int he upright position
What medication decrease acid production?
H2RA
Proton Pump Inhibitor (PPI)
Misoprostil
H2RA
Product name
Cimetidine
Famotidine
Nizatidine
tidine
H2RA
Action
ADRs
Dec histamine-mediated release of acid
Hormonal ADRs with cimetidine
Proton Pump Inhibiter
Product name
Omeprazole
Lansoprazole
Dexlansoprazole
Esomeprazole
-prazole