Module 1 Flashcards
Modern medical uses of drugs
- Therapeutic uses
- Preventive uses
- diagnostic uses
Drugs derived from…
Plant, animal or mineral sources
Drugs derived from Plant sources
- digitalis (Lanoxin)
- scopolamine
- ephedrine
- galantamine
- aspirin
- morphine
Digitalis (Lanoxin)
is derived from foxglove plant (it is used in CHF to decrease contraction of the heart)
Scopolamine
derived from the belladonna plant and was used by Italian women as cosmetics to dilate the eyes
ephedrine
comes from the ephedra species and is used as a bronchodilator and decongestant
galantamine (Reminyl)
is a new drug, derived from daffodil bulbs, and used to treat Alzheimer disease
Aspirin (acetylsalicylic acid)
comes from the Bark of the willow tree. It is used to decrease inflammation, relieve pain, reduce a fever, and prevent platelets form “sticking together”
morphine
derived from opium poppies
Botox
is a much diluted form of the botulinum toxin (deadly form of food poisoning)
is used extensively for cosmetic treatment of facial wrinkle
it is also used by injection for muscle spasticity and to treat migraine H.A
Drugs derived from Animal sources
- Thyroid Hormone
- Premarin
- Insulin
Drugs derived from Mineral sources
- Potassium
- Lithium
- Iron
- Calcium
Thyroid Hormone
from various animals
Premarin (estrogen)
from pregnant Mares urine
Insulin
used to come from the pancreases of cows and pis
What is meant by patent medicine
were proprietary drug formulations commonly sold out of the backs of wagons and then cars, before the institution of strong federal and state drug laws.
- The ingredients of a patent drug were usually not labelled, with the manufacturer claiming “trade secrets”
- refers to medical compounds of questionable effectiveness sold under a variety of names and labels.
Wiley Act 1906
The Pure Food and Drug Act 1906 stipulated that food and drug manufacturers use “pure ingredients and accurate labeling”
***first federal drug legislation
FDA
Food and Drug Administration
***has the authority to “pull a drug” off the market for valid reasons, or force the manufacturers or correct misleading advertising about their drugs
The FDCA 1938
Food, Drug, and Cosmetic Act of 1938
Introduced many provisions previously lacking (not only requiring”purity” of ingredients, but also mandating “safety tests” on proposed new drugs
FDA Protections
Recalls certain drug and food lots because of various types of manufacturing defects:
- contamination
- the “shelf-life” is not as long as advertised
- ingredients have fallen “below the tolerance standard”
- new or worse than expected “side effects” are uncovered
DSHEA
Dietary Supplements and Health Education Act
FDA Modernization Act 1997
FDA reforms in the AIDS Era - 1997 pres Clinton signed into law a major update to the FDCA. “shortened approval time”
The Three Names of Drugs
- Chemical
- Generic
- Trade or Brand
SR
SLOW RELEASE