GERD and PUD Flashcards
Calcium carbonate
Tums
+ Magnesium (Mylanta Supreme)
+ Simethacone (Maalox Advanced Maximum Strength)
Magnesium hydroxide
Milk of Magnesia
+ Aluminum and simethicone (Mylanta Maximum Strength)
Components of Alka-Seltzer
Sodium bicarbonate/ASA/Citric acid
Duration of relief of antacids
30-60 min
ADR of antacids based on components
Al and Mg can accumulate in renal dysfunctions
Mg: Diarrhea
Al: Constipation
Ca: Constipation
Which antacid is preferred in pregnancy
Calcium-containing
Ci with Alka-selter? Why
> 500 mg of sodium can worsen edema in HF or cirrhosis in patients
Duration of PPI
8 weeks at least
Famotidine
Pepcid
ADR of H2RAs
Confusion (elderly, renal dysfunction, severely ill): Delirium, dementia, cognitive impairment
Cimetidine: gynecomastia, impotnece
PPIs that should be take before breakfast
Esomeprazole
Lansoprazole
Omeprazole
(60 min before)
PPIs that can be take regardless of meals
Dexlansoprazole
Pantoprazole
Dexlansoprazole
Dexlant
Pantoprazole
Protonix
Omeprazole
Prilosec
Esomeprazole
Nexium
Lansoprazole
Prevacid
Warning with chronic PPI use
C diff risk or infection risk
B12 deficiency
Osteoporosis
Hypomagnesia
IV PPIs
Esomeprazole or Pantoprazole
PPIs that interact with Plavix
Esomeprazole and Omeprazole
Indication for Metoclopramide
Gastroparesis
Dosing of Reglan
Before meals and at bedtime
CrCl <60: reduce by 50% to avoid CNS/EPS side effects
BBW of Reglan
Tardive
ADR of Metoclopramide
EPS (acute dystonia), parkinson-sx due to dopamine blockage
Drowsiness
Drugs that require an acidic gut?
NNRTIs and PU
Antivirals: ledipasivr, velparasvir/sofosbuvir
Azoles
PO Cephalosporins
Iron
Risedronate
TKI
H. pylori vs GI ulcer
H. pylori: Eating food or taking antacids lessen pain
GI ulcer: worsens with eating
First line for H pylori with dosing
Bismuth quad therapy x 10-14 days:
1. Pepto Bismol 300 mg QID
2. Metronidazole 250-500 mg QID
3. Tetracycline 500 mg QID
4. PPI BID
Pylera (pesto 420 mg, metronidazole 375 mg, tetracyclinee 375 mg) QID with PPI BID
When is concomitant therapy used?
If local resistance to clarithromycin is <15% and no previous exposure to macrolides
Components of concomitant therapy
10-14 days preferred over Clarithro triple therapy:
1. Amoxicillin 1000 mg BID
2. Clarithromycin 500 mg BID
3. Metronidazole 500 mg BID
4. PPI BID
Components of cclarithrymyvin triple therapy? Penicillin allergy?
14 days:
1. Amoxicillin 100 mg BID
2. Clarithromycin 500 mg BID
3. PPI BID (or esomeprazole 40 mg QD)
Prepac: Amoxicillin, Clarithromycin, lansoprazole
Penicillin allergy: replace with amoxicillin with metronidazole 500 mg TID or use quad therapy
Risk factors of NSAID-Induced Ulcers
<60 YO
PUD hx
High-dose NSAIDs
>1 NSAID
Concomitant anticoagulant, steroid, SSRI, SNRI
Selective COX2 NSAIDs
Celecoxib
Meloxicam
Nabumtone
Diclofenac
Etodolac
Risk of COX2
Decreased GI risk but Increased CV risk
Cytoprotective drugs
Misoprostol
Sucralfate
BBW of Misoprostol
Abortifacient
Arthrotec: NSAIDs ↑ risk for GI events
Misoprostonol
Cytotec
Sucralfate
Carafate
ADR of sucralfate
Constipation