drugs
anti acids
oral
we want them in neutral
mild base
antisecretory medication
anti cholinergics
atropine
diffuse drug
s/s
secretions increased
lacrimation
mydriasis
dry mouth
heart effects
pirenzepine
H2 receptor blockers
PPI
best drug as it blocks terminal effect
surface protective drugs
sucralfate
misoprostol
colloid bismuth sulphate
Tx of GERD PUD
antibiotics
cells
cardia
foveolar cell
mucus
fundus n body
ECL cell
parietal cell
receptors
M3
CCK
binds gastrin
H1
histamin
pyloric
g cell
gastrin
secreted from pylorus, duodenal 1st part, pancreas
zollinger elisson syndrome
Ix
ch gastritits
Dyspepsia
ulcer
PUD
Stress ulcer
ZES
GERD
H2 receptor antagonist
name
cimetidine, ranitidine, famotidine
competitive antagonism
tolerance develop risk as reversible bind
mainly lessens basal acid secretion
because parasymp activation at night
ECL stimulated
Histamine secretion
DOA 12 hrs\
take effect within 1 hr
so intake before food
drugs
Cimetidine
Drug interaction
inhibits cyt p450
major enzyme of drug metabolism in liver
increases doa of othe drugs
so dose komay deya hoy Benzodiazepine, Warfarin
anti androgenic effect
adverse effect
common
cns
confusion
hallucination
cvs
bradycardia
hypotension
Antacid
weak base
can use iv for acidosis
systemic antacid
8% NaHCO3
non systemic antacid
neutralizes HCL in lumen
side effects
alum
smooth muscle contraction
constipation
Al and Ca compete
osteoporosis
mg
hygroscopic
laxative
hypotension
acid secretion
basal acid secretion
meal ass. acid secretion
PPI
formulations
oral
prodrug
iv
active
pantoprazole
esomeprazole
inhibits basal awa meal ass. secretion
Side effects
conutionl feature
enteric infection
resp tract infection
Lowered absorption
VT b12
Ca Mg
Digoxin Ketoconazole
why given with pain medication
PG inhibits cGMP
NSAID dile PG synth hoyna
more hcl secretion
ppi inhin=bit acid
Thiophilic Sulphonamide Cation
irreversible bind
after a certain time, cell endocytose receptor- drug complex
as signal ashtese na
tolerance doesnt develop
Floating Topic