DDS Flashcards
- An agent intended for use in the diagnosis, mitigation, treatment and prevention of disease in man or animals.
- Article recognized in official pharmacopeias and formularies, including homeopathic pharmacopeias, or any documentary supplement to any of them, which are recognized and adopted by the FDA.
- It refers to the component which produces the pharmacologic activity.
Drug
- AKA: Additives, Adjuncts, Pharmaceutical Necessities
- Inactive ingredient present in a dosage form that typically constitutes the largest
portion. - It typically improves the aesthetic appearance or the stability of the product.
- Examples: Vehicle, suspending agents, lubricants, binders
Excipient
Mixture of finely divided particles in dry form
Powders
Powders may be used internally (__________ powders) or externally (_________ powders)
oral
topical
Powders (Pros)
- Rapid onset of action
- Readily adjustable dose
- Dry and devoid of moisture
- More stable compared to liquid preparations
Powders (Cons)
- Inaccuracy of dose
- Not easily wetted
- Poor flowability
- Inconvenient
A type of powder that is
- For non-potent drugs
- Dispensed in large quantities
- Non-individual dosing
- Packaging: Wide-mouth plastic or glass bottles, sifter cans, aerosol
Bulk Powders
- Powder for cleaning teeth
- Abrasive, anti-cariogenic
- Examples: Toothpaste powders (especially those containing fluoride)
Dentrifice
Locally applied into the skin by sifter-top containers
* Has no systemic toxicity
* Examples: Talc, cornstarch, Canesten (clotrimoxazole)
Dusting Powders
- Dissolved in liquids (e.g. water or infant formulas) or taken with soft food
- Used if patients have difficulty swallowing other solid dosage forms
- CONS: unpleasant taste, extensive first-pass effect
oral powders
- Administered with the aid of dry powder inhalers (DPIs)
- Examples: Relenza (Zanamivir)
aerosol powders
From coarsely powdered herbs
poultice
- Dilutions of potent powdered drugs
- 1:10 ratio
triturations
- Applied into body cavities (i.e. vagina)
- Dissolved in warm water
- Examples: Massengill powders
douche powders
- Introduced into body cavities with an insufflator or puffer (medical device, special device)
- CONS: Inaccurate dosing
Insufflations
- AKA chartulae, Individualized Powders, Paper Tabbing
- For potent drugs (but this may also be used for non-potent drugs)
- Dispensed in small quantities
- Individual dosing
divided powders
paper used that has NO moisture resistance
* Opaque, used for pharmaceutical elegance :>
bondpaper
a paper used that has * LIMITED moisture resistance
* SEMI-opaque, Thin
vegetable parchment
paper used that has * LIMITED moisture resistance
* TRANSPARENT, Glazed
glassine
Waterproof paper
* TRANSPARENT
waxed
mesh number of very coarse crude drugs
8
mesh number of coarse crude drugs
20
mesh number of moderately coarse crude drugs
40
mesh number of fine crude drugs
60