Adverse Drug Reactions Flashcards
What is an xenobiotic
Foreign substance that enters the body
What happens if an xenobiotic is not removed from the body
It reaches toxic levels in the plasma
What processes remove xenobiotics?
Metabolism, excretion and bio-transformation
When was the yellow card scheme created
1964
How many phases to drug development?
4 (IV)
What is a type A drug reaction
Augmented reactions resulting from an exaggeration of the drugs normal actions.
Usually dose-Dependent, predictable and will occur in everyone if the dose in sufficient
What is a Type B drug reaction
Bizzarre reactions - not expected from the drugs known pharmacological action- unpredictable and not dose dependent
Common + predictable =
Preventable
Does Type A have a dose relationship?
Yes
Does Type B have a dose relationship?
No
How common are Type A reactions
Common - 75%
How common are Type B reactions
Rare
What is the mortality is Type A
Lower
What is the mortality rate of Type B
Higher
What is the morbidity of Type A
Higher