Drug Interaction Flashcards
1
Q
Addition
A
The combined effect of 2 drugs is equal to the sum of the effects of each drug taken alone.
2
Q
Antagonism
A
The action of 1 drug negates the action of a 2nd drug.
3
Q
Potentiation
A
1 drug increases or prolongs the action of another drug, & the total effect is greater than the sum of the effects of each drug used alone - drug potency is increased.
4
Q
Synergism
A
The combined effect of 2 drugs is more intense or longer in duration than the sum of their individual effects. Drugs that work in combination like this are usually prescribed together.