WS 1 Flashcards
define therapeutic index
expresses the relationship between a drug’s therapeutic and harmful effects.
how is the therapeutic index calculated
LD50/ED50
define half life when it comes to drugs
The time it takes for the drug to fall by half of its blood concentrations
what are the four components of a drug regimen
dosage
route
frequency
duration
Define pharmacokinetics. (two points)
The complex sequence of events that occurs after a drug is administered to a patient.
The branch of pharmacology concerned with the movement of drugs within the body.
What kind of names are the drug names Clavamox and Simplicef?
They are both trade names, also known as proprietary or brand names.
Generic name of Clavamox
amoxicillin with clavulanic acid
Generic name of Simplicef
cefpodoxime proxetil
What kind of names are the drug names meloxicam and carprofen?
generic names
Trade name of meloxicam
Metacam
Trade name of carprofen
Rimadyl
what kind of name is:
Carprofen: (±)-6-chloro-α-methylcarbazole-2-acetic acid
Or (6-Chloro-9H-carbazol-2-yl)propanoic acid
chemical name
represents the degree to which a drug produces its desired response in a patient.
efficacy of a drug
9 factors that may influence the absorption of a drug
- Method of administration
- pH of the drug and its ionization status
- Charge of the drug
- the absorptive surface area
- the blood supply to the area
- the solubility of the drug
- the dosage form
- the status of the GI tract
- interactions with other drugs