GI Drug Facts Flashcards
Clinical term for heartburn
gastroesophageal reflux disease
What helps the tablet pass through the stomach?
Enteric-coating
What is acid-labile?
compound that is destroyed by acid
dosage form of Prilosec (Rx)
delayed-release capsule
dosage form of omeprazole (Rx)
delayed-release capsule
dosage form of Prilosec (OTC)
delayed-release tablet
dosage form of omeprazole (OTC)
delayed-release tablet
Strengths Prilosec (Rx)
10mg,20mg,40mg
Strengths of omeprazole (Rx)
10mg, 20mg, 40mg
Indications for PPI’s
GERD
erosive esophagitis
gastric ulcers
Zollinger-Ellison Syndrome
What is Zollinger-Ellison Syndrome?
A hypersecretory condition where too much gastric acid is produced
Dosing interval for PPI’s
Take 1 daily, 30 minutes prior to breakfast. Do not take with food-decreases absorption
Strength of Prilosec (OTC)
20mg
Strength of omeprazole (OTC)
20mg
Is Prilosec enteric-coated?
yes
What is contained in Zegerid?
NaHCO3 and omeprazole
Is Zegerid enteric-coated?
No
Strength of Zegerid-OTC
20mg ompeprazole
1100mg NaHCO3
Strength of Zegerid (Rx)
40mg omeprazole
1100mg NaHCO3
What does the NaHCO3 do?
neutralizes the gastric acid, providing instant heartburn relief and protecting teh omeprazole of acid degradation
Strength of Zegerid powder for oral suspension (Rx)
20mg omeprazole
1680mg NaHCO3
40mg omeprazole
1680mg NaHCO3
What is the mixture of esomeprazole?
S isomer of omeprazole
Composition of Nexium
gel capsule containing enteric coated granules
Dosing interval for Nexium
1 daily
Dosing interval for esomeprazole
1 daily
Strength of Prevacid 24 HR
15mg
OTC
Strength of Prevacid (Rx)
30mg
Strength of Prevacid SoluTab
15mg
30mg
Generic for PPI associated with SoluTab
lansoprazole
Trade name for PPI associated with SoluTab
Prevacid
Dosing interval for Prevacid
1 daily
Dosing interval for lansoprazole
1 daily
Mixture in Dexilant
R isomer of lansoprazole (Prevacid)
Dosage form of Dexilant
delayed-release capsule
How does dexlansoprazole work?
Dual delayed- release formulation
Some is released for immediate relief
Rest is released 4 hours later
Primarily used for nighttime heartburn(GERD)
What PPI would be used for nighttime GERD?
Dexilant (dexlansoprazole)
Dosage form of Protonix
delayed-release tablet
Dosage form of AcipHex
delayed-release tablet
Dosage form of pantoprazole
delayed-release tablet
Dosage form of rabeprazole
delayed-release tablet
Indications for sulfasalazine
ulcerative colitis
rheumatoid arthritis
Indications for Azulfidine
ulcerative colitis
rheumatoid arthritis
Dosage forms of sulfasalazine
Tablet - Azulfidine
delayed-release tablet - Azulfidine EnTab
Dosage interval for Azulfidine
Three times daily - take with food
Dosing interval for Azulfidine EnTab
Three times daily
What is mesalamine?
Active component of sulfasalazine (Azulfidine)
Indications for mesalamine
ulcerative colitis
Dosage form of Asacol
400mg delayed-release tablet
Dosage form for Asacol HD
800mg delayed-release tablet
Dosage form of Lialda
1.2g delayed-release tablet
Dosing interval for Asacol
Three times daily
Dosing interval for Asacol HD
Three times daily
Dosing interval for Lialda
1 daily
Dosage form of Pentasa
250mg or 500mg controlled-release capsule
Dosing interval for Pentasa
4 times daily
Dosage form of Apriso
0.375g delayed-release/extended-release capsule
Dosing interval for Apriso
1 daily
Dosage form of Canasa
1g rectal suppository
Dosing interval for Canasa
1 daily-Use at bedtime-retain for 1 to 3 hours
Dosage form of Rowasa
4g/60ml rectal suspension for enema
Dosing interval for Rowasa
1 daily-use at bedtime-retain it for 8 hours(overnight)
What is the prokinetic aspect of metaclopramide?
It increases the upper GI tract motility, causing a reduction in heartburn
What is a special warning associated with sulfasalazine and mesoalamine?
These drugs are contraindicated for pt’s allergic to aspiriin
what two therapeutic categories are associated with metoclopramide?
Prokintec/Antiemetic
BBW for metoclopramide
Chronic use may cause tardive dyskinesia
What is tardive dyskinesia?
Involuntary, repetitive movements
Indications for metoclopramide
GERD
nausea/vomiting associated with chemotherapy
What is the CTZ?
Chemoreceptor Trigger Zone - Nausea center in the brain
WHat is the Antiemetic aspect associated with metoclopramide?
blocks seretonin receptors in the CTZ in teh brain, reducing nausea and vomting.
Dosing interval for metoclopramide(Prokinetic)
4 times daily
Dosing interval for metoclopramide(Antiemetic)
Take 30 min. before chemotherapy, then every 2 to 3 hours after therapy as needed
Dosage forms of metoclopramide
tablet (5mg, 10mg) oral solution (5mg/5ml)