prescribing in old age Flashcards
what sort of environment do acidic drugs need for absorption?
acidic
basic drugs need basic
increase in gastric PH does what to the small bowel
decreases the surface area
albumin usually binds to acidic drugs- why is this a problem in older people?
they have less albumin
what happens to the therapeutic window with age?
it gets smaller
what are the polypharmacy principles?
review meds regulary
avoid treating side effects with more drugs
try give something that will treat more then one problem
if stable- use combination therapies
what is constipation made worse by?
calcium and calcium channel blockers
what type of foods react with ACEi and ARBS
K+ rich foods- bananas, oranges, green leafy veg
what type of drugs interact with warfarin?
Vit K and E - apples, chickpeas, spinach, kiwi, brochaooli
mirtazepine is used to treat what?
depression
what is zoiclone for?
sleeping
can paracetamol reduce agitation in dementia
yes