Drugs and Drug Testing Flashcards
(9 cards)
what are the 3 main types of painkiller?
aspirin, digitalis, penicillin
what are the features of aspirin?
-painkiller
-lowers fevers
-found in willow tree bark
what are the features of digitalis?
-treats heart problems
-found in foxgloves
what are the features of penicillin?
-substance able to kill bacteria
-(mould)
what are the 3 main things to keep in mind when making drugs?
efficacy - will it work?
toxicity - does it damage cells or have side effects?
dosage - how much will you need? how high concentration?
what does stage 1 of drug testing involve?
-it is tested on humans cells and tissues
-cheap but doesn’t tell us a lot
what does stage 2 involve?
-tested on liv animals e.g. mice, rabbits
-gives us a pretty good idea
what are the first 2 stages of drug testing called?
pre-clinical
what does stage 3 involve?
-given to healthy volunteers at a low dosage
-increase dosage to max, with no side effects
-given to suffering patients to its ‘optimum dosage’