Calculation Of Doses: Definition Flashcards
quantitative amount administered or taken by a patient for the intended medicinal effect.
dose of a drug
, the amount taken at one time;
single dose, a daily dose;
the amount taken during the course of therapy.
total dose,
may be subdivided and taken in divided doses, two or more times per day depending on the characteristics of the drug and the illness.
A daily dose
T he schedule of dosing (e.g., four times per day for 10 days) is referred to as the.
dosage regimen
The - is based on its biochemical and pharmacologic activity, its physical and chemical properties, the dosage form used, the route of administration, and various patient factors
dose of a drug
is the amount that ordinarily produces the medicinal effect intended in the adult patient.
usual adult dose of a drug
is similarly defined for the infant or child patient.
usual pediatric dose
serve as a guide to physicians who may select to prescribe that dose initially or vary it depending on the assessed requirements of the particular patient.
usual” adult and pediatric doses of a drug
indicates the quantitative range or amounts of the drug that may be prescribed within the guide- lines of usual medical practice.
usual dosage range for a drug
is provided in the package inserts that accompany manufacturers’ pharmaceutical products, from online resources, and through a variety of references
Drug use and dose information
is dependent on many actors including whether the illness or condition is responsive to short-term or long-term treatment; the physical– chemical and biologic characteristics o the drug substance itsel ; and eatures o the prod- uct ormulation and route o drug administration.
frequency or scheduling of dosing
For certain drugs, a larger-than-usual initial dose may be required to achieve the desired blood drug level. This dose is referred to as the.
loading dose
, similar in amount to usual doses, are then administered according to the dosage regimen to sustain the desired drug blood levels or drug e ects.
Subsequent maintenance doses
To achieve the desired drug blood level rapidly, the may be administered as an injection or oralliquid,whereasthe maybeadministeredinother orms, such as tablets or capsules.
loading dose
subsequentmaintenancedoses
