DDS Flashcards
A mixture of finely divided drugs or chemical in dry form; may be used internally or externally
Powder
8 sieve
Very coarse
20 sieve
Coarse
40 sieve
mod. Coarse
60 sieve
Fine
80 sieve
Very fine
The process of reducing the particle size of a solid substance to a finer state of subdivision.
Comminution
Substance is reduced to small particles by rubbing it in a mortar and pestle.
Trituration
Levigation
Pulverization by Intervention
Trituration
Substances are reduced and subdivided with an addition of material (ex. Solvent) that is easily removed after pulverization.
Trituration
Levigation
Pulverization by Intervention
Pulverization by Intervention
The particle size of the substance is reduced by adding a suitable nonsolvent to form a paste.
Trituration
Levigation
Pulverization by Intervention
Levigation
Common levigating agent
Mineral Oil
spatula is used to blend small amounts of powders on a sheet of paper or a pill tile.
Geometric dilution
Trituration
Tumbling
Spatulation
Sifting
Spatulation
mortar and pestle is used to reduce substance to small particles
Geometric dilution
Trituration
Tumbling
Spatulation
Sifting
Trituration
used when potent substances must be mixed with a large amount of diluent.
Geometric dilution
Trituration
Tumbling
Spatulation
Sifting
Geometric dilution
powders are mixed by passing them through sifters similar to those used to sift flour.
Geometric dilution
Trituration
Tumbling
Spatulation
Sifting
Sifting
the process of mixing powders in a large container rotated by a motorized process
Geometric dilution
Trituration
Tumbling
Spatulation
Sifting
Tumbling
Intended to be administered in dosage quantities that are
safe for the patient to measure.
Should pass through a 100-mesh sieve.
Dusting powders, aerosols, dentifrices, antacids, laxatives,
dietary nutrient supplements, douches
Bulk Powders
Divided Powders
Dusting Powders
Bulk Powders
Must be homogenous, free from potential of causing local
irritation.
Should flow easily, spread uniformly, and cling to the skin
upon application.
Generally dispensed in sifter-top containers
Bulk Powders
Divided Powders
Dusting Powders
Dusting Powders
(chartula, charts, powder papers, powders).
Single doses of the powdered drug mixture individually
enclosed in paper, cellophane, or metallic foil wrappers or
packets.
Sufficiently potent to require premeasured doses.
Bulk Powders
Divided Powders
Dusting Powders
Divided Powders
moisture resistant
Vegetable parchment
White bond
Glassine
Waxed
Vegetable parchment
moisture resistant properties
Vegetable parchment
White bond
Glassine
Waxed
White bond
moisture resistant
Vegetable parchment
White bond
Glassine
Waxed
Glassine
transparent waterproof paper (double wrap w/
white bond paper for protection from moisture)
Vegetable parchment
White bond
Glassine
Waxed
Waxed
Not intended for use with potent drugs because of
inherent error when a patient measures the dose with a teaspoon, scoop, etc.
Good for unstable drugs
Example: antibiotics for reconstitution
Granules
Contain mixtures of citric acid, tartaric acid, or sodium
biphosphate with a bicarbonate and a medicinal agent.
Effervescent Granules
Examples of Effervescent Granules:
Lactinex, Bassoran, Zantac
a method in preparing granules were one molecule of water present in each molecule of citric acid acts as the binding agent for the powder mixture.
Dry or Fusion Method
Wet Method
Dry or Fusion Method
a method in preparing granules were the water added to alcohol is the moistening agent, forming the pliable mass of granulation
Dry or Fusion Method
Wet Method
Wet Method
Solid dosage forms in which one or more medicinal or inert substances are enclosed within a small gelatin shell.
CAPSULES
used in most commercial medicated capsules. They are commonly employed in clinical drug trials to compare the effects of an investigational drug with those of another drug product or placebo.
Hard Gelatin Capsules
Soft Gelatin Capsules
Hard Gelatin Capsules
made of gelatin to which glycerin or a polyhydric alcohol such as sorbitol has been added.
They are used to encapsulate and hermetically seal liquids, suspensions, pasty materials, dry powders, and even formed tablets.
Hard Gelatin Capsules
Soft Gelatin Capsules
Soft Gelatin Capsules
smallest capsule size?
5
largest capsule size
000
How do automated and semi-automated capsule-filling equipment typically fill the capsule body with the formulation?
a) Gravity fill
b) Tamping
c) Screw-feed mechanism
d) All of the above
d) All of the above
Method that is commonly used to fill extemporaneously compounded capsules?
a) Gravity fill
b) Tamping
c) Screw-feed mechanism
d) Punch method
d) Punch method
Containers for Dispensing Capsules:
● Tight
● Well-closed
● Light-resistant
Most commonly used solid dosage form.
TABLETS
inert substances used to give a preparation a suitable form or consistency.
Excipients
Which physical features can compressed tablets have?
a) Round, oblong, or unique in shape
b) Thick or thin
c) Large or small in diameter
d) All of the above
d) All of the above
tablets that are prepared by subjecting the fill material to more than a single compression?
a) Multiple Compressed Tablets
b) Compressed tablets
c) Sugarcoated tablets
d) Film-coated tablets
a) Multiple Compressed Tablets
type of tablet coating that is water-soluble and quickly dissolves after swallowing?
a) Sugarcoated tablets
b) Film-coated tablets
c) Gelatin-coated tablets
d) Enteric-coated tablets
a) Sugarcoated tablets
primary advantage of film-coated tablets over sugar-coated tablets?
a) Durability
b) Quick dissolution after swallowing
c) Less bulkiness
d) Time-saving application process
c) Less bulkiness
type of tablet has a gelatin coating, allowing it to be smaller than a capsule filled with an equivalent amount of powder?
a) Sugarcoated tablets
b) Film-coated tablets
c) Gelatin-coated tablets
d) Enteric-coated tablets
c) Gelatin-coated tablets
purpose of enteric-coated tablets?
a) To dissolve quickly after swallowing
b) To be tamper-evident
c) To bypass the stomach and release the drug in the intestines
d) To provide rapid drug effects
c) To bypass the stomach and release the drug in the intestines
type of tablets that are intended to be dissolved in the buccal pouch or beneath the tongue for absorption through the oral mucosa?
a) Sugarcoated tablets
b) Film-coated tablets
c) Buccal tablets
d) Sublingual tablets
e) c and d
e) c and d (Buccal and Sublingual Tablets)
compressed tablets coated with a thin layer of a polymer capable of forming a skin like film; it is more durable, less bulky, and less time-consuming to apply.
a) Sugarcoated tablets
b) Film-coated tablets
c) Gelatin-coated tablets
d) Enteric-coated tablets
b) Film-coated tablets
tablets that have delayed-release features. They are designed to pass unchanged through the stomach to the intestines, where the tablets disintegrate and allow drug dissolution and absorption and/or effect.
a) Sugarcoated tablets
b) Film-coated tablets
c) Gelatin-coated tablets
d) Enteric-coated tablets
d) Enteric-coated tablets
Tablets designed to erode slowly
Buccal tablets
Tablets designed to dissolve promptly and provide rapid drug effects.
Sublingual Tablets
general shape of lozenges or troches?
a) Round
b) Rectangular
c) Disc-shaped
d) Triangle
c) Disc-shaped
Lozenges or troches typically manufactured by?
a) By compaction
b) By compression or molding
c) By encapsulation
d) By lyophilization
b) By compression or molding
Type of tablet that has a smooth, rapid disintegration when chewed or dissolved in the mouth?
a) Chewable tablets
b) Effervescent tablets
c) Molded tablets
d) Tablet triturates
a) Chewable tablets
primary advantage of chewable tablets?
a) Smooth and rapid disintegration
b) Creamy base with flavored and colored mannitol
c) Easy administration to children and individuals with difficulty swallowing
d) Rapid dissolution and bubble action
c) Easy administration to children and individuals with difficulty swallowing
How are effervescent tablets prepared?
a) By compression or molding
b) By encapsulation
c) By compaction
d) By compressing granular effervescent salts
d) By compressing granular effervescent salts
How are effervescent tablets prepared?
a) By compression or molding
b) By encapsulation
c) By compaction
d) By compressing granular effervescent salts
d) By compressing granular effervescent salts
purpose of effervescent tablets?
a) Smooth and rapid disintegration
b) Creamy base with flavored and colored mannitol
c) Rapid dissolution and bubble action
d) Rapid release of highly potent drugs
c) Rapid dissolution and bubble action
type of tablets are used for rapid dissolution and are very soft and soluble?
a) Chewable tablets
b) Effervescent tablets
c) Molded tablets
d) Tablet triturates
c) Molded tablets
primary purpose of hypodermic tablets?
a) Smooth and rapid disintegration
b) Sublingual administration
c) Parenteral preparation of solutions
d) Dispensing accurate amounts of potent drugs
c) Parenteral preparation of solutions
purpose of dispensing tablets?
a) Smooth and rapid disintegration
b) Creamy base with flavored and colored mannitol
c) Rapid dissolution and bubble action
d) Rapidly obtaining premeasured amounts of highly potent drug substances
d) Rapidly obtaining premeasured amounts of highly potent drug substances
Designed to disintegrate and release their medication
with no special rate-controlling features, such as special
coatings and other techniques.
Immediate-Release Tablets
Extended-Release Tablets
Immediate-Release Tablets
Characterized by disintegrating or dissolving in the
mouth within 1 minute, some within 10 seconds (e.g.,
Claritin Reditabs [loratadine]).
Liquefy on the tongue, and the patient swallows the liquid.
Rapidly Disintegrating or Dissolving Tablets
Sometimes called controlled release.
Designed to release their medication in a
predetermined manner over an extended period.
Immediate-Release Tablets
Extended-Release Tablets
Extended-Release Tablets
a.k.a Vaginal inserts
● Generally compressed tablets for vaginal administration
● Treatment of vaginitis & vulvovaginitis candidiasis
Lollipops
Pills
Vaginal Tablets
Vaginal Tablets
a raspberry lollipop that is a sugar-based lozenge on a stick and contains fentanyl citrate.
Fentanyl Actiq (Cephalon)
first product specifically designed to aid in controlling breakthrough pain in cancer patients. Its effects last for only about 15 minutes, but that is usually long enough to relieve the breakthrough pain.
Actiq
small, round solid dosage forms containing a medicinal agent and intended to be administered orally
Lollipops
Pills
Vaginal Tablets
Pills
complete or partial separation of the top or bottom of the tablet from the main body.
Capping
separation of a tablet into 2 or more distinct layers
Lamination
disfiguration of the core tablet when subjected for too long to the coating solution
Tablet erosion
removal of materials from the surfaces of the tablet and adherence of the face of the punch.
Picking
formation of uneven or rough irregularities on the surface of a coating film applied on a core tablet surface
Peeling
where the surface of the applied film coating is extremely rough and nonglossy, often taking on the appearance of the skin of an orange
Orange peel effect