TABLETS Flashcards
are solid pharmaceutical dosage form containing drug substances usually prepared by molding or compression with the aid of suitable excipients
TABLETS
tablets may vary in ____, ____, ____, ____, ____, ____, and ____ characteristics and in other aspects, depending on their intended use and method of manufacture
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size
shape
weight
hardness
thickness
disintegration
dissolution
- uncoated tablet manufactures by compression
- with sufficient pressure forcing the powders or granules to make the desired shape
- contained no special coating
COMPRESSED TABLETS
fillers designed to make up the desired bulk, flow properties and compression characteristics
EXAMPLES: lactose, mannitol starch, dibasic calcium phosphate, sorbi
DILUENT OR FILLERS
used to cause adhesion of powder particles in tablet granulations
acacia, carboxymethylcellulose, gelatin, pregelatinized starch
HINDERS OR ADHESIVES
promote disruption of solid mass into smaller particles
carboxymethylcellulose, starch, microcrytalline cellulose
DISINTEGRANTS
to improve the flow of the powdered mixture
colloidal silica, cornstarch, talc
GLIDANTS
prevent tablet ingredients from sitcking to punches and dies during production
magnesium stearate
ANTI-ADHERENT
reduce friction during tablet compression
Ca, Mg, Zn stearate, mineral oil, stearic acid
LUBRICANT
what type of excipient is the dibasic calcium phosphate (Ditab)?
DIRECT COMPRESSION EXCIPIENT
FD&C lakes are used as
COLORANT
colorant used in tablets
FD&C lake
flavoring agent and sweetening agent is added in ____ and ____ tablet
CHEWABLE
BUCCAL
substances capable of holding quantities of fluids in an apparently dry state
fused silica, bentonite, kaolin, magnesium carbonate, microcrystalline
ADSORBENTS
tablet coating that contains liquid glucose, sucrose
SUGAR-COATING AGENTS
sugar-coating agents
LIQUID GLUCOSE
SUCROSE
tablet coating that contains methylcellulose, ethylcellulose, hydroxy-ethyl cellulose, hydroxy propyl cellulose
FILM-COATING AGENTS
tablet coating that contains cellulose acetate phthalate, shellac (35% in alcohol, “pharmaceutical glaze”)
ENTERIC-COATING AGENTS
% of shellac in alcohol
35%
35% in alcohol
pharmaceutical glaze
SHELLAC
shellac is also known as
PHARMACEUTICAL GLAZE
prepare by subjecting the fill material to more than a single compression
MULTI-LAYERED TABLET
- protects the enclosed drug from the environment and provides a barrier to objectionable taste or odor
- DISADVANTAGE: 50% larger and heavier than the original uncoated tablet
SUGAR-COATED TABLET
- coated with a thin layer of polymer capable of forming a skin-like film over the tablet
- ADVANTAGES: more durable, less bulky, less time-consuming to apply
FILM-COATED TABLET
capsule shaped compressed tablet. more tamper-evident than unsealed capsules
GELATIN-COATED TABLET
has a delayed release feature and disintegrates in the small intestine
ENTERIC-COATED TABLET
where does the enteric-coated tablet disintegrates?
SMALL INTESTINE
gelatin-coated tablet is more tamper-evident than
UNSEALED CAPSULES
designed to disintegrate and release their medication with no specific rate-controlling features
IMMEDIATE RELEASE TABLET
designed to release their medication in a predetermined manner over an extended period
EXTENDED RELEASE TABLET
dissolves in the buccal pouch and it erode slowly
BUCCAL TABLET
- dissolves beneath the tounge and it dissolved promptly and produce rapid effect
- used in sudden pain (chest pain)
SUBLINGUAL TABLET
- are especially useful for administration of large tablets to children and adults who have difficulty in swallowing
- do not contain disintegrants
- commonly used excipient: mannitol
CHEWABLE TABLET
commonly used excipient in chewable tablets
MANNITOL
common sweetener used in chewable tablet
MANNITOL
common sweetener used in sugar-free chewable tablets
XYLITOL
- disc-shaped, solid dosage forms containing medicinal agent and generally a flavoring substance in a hard candy or sugar base
- they are intended to be dissolved slowly in the oral cavity for localized effects
- made by compression or molding
- candy type preparation
LOZENGES
another term for lozenges
TROCHES
lozenges in a gummy type preparation
PASTILLES
- disintegrating or dissolving in the mouth within 1 minute, some within 10 secs
- designed for children & elderly who has difficulty in swallowing
- liquefy in tounge and patient swallows
RAPID RELEASE TABLET
- also called vaginal inserts
- uncoated, bullet-shaped or ovoid tablets inserted into the vagina for local effects
- made by compression
- a plastic inserter usually accompany the product
VAGINAL TABLET
what usually accompanies vaginal inserts/tablets
PLASTIC INSERTER
- a small tablet that is prepared for insertion under the skin by giving a small surgical cut into the skin which is stitched after the insertion of tablets
- the tablet must be sterile
- do not contain excipients
- contraceptive tablets
IMPLANTS
prepared by compressing granular effervescent salt and releases carbon dioxide when in contact with water
EFFERVESCENT TABLET
- small, usually cylindrical molded or compressed tablet containing small amount of usually potent drugs
- tablet is soft and soluble
- has rapid effect
- combination of sucrose + lactose
- inserted in a capsule or dissolved in liquid to provide accurate amount of potent drug substances
- prepared by molding method
MOLDED TABLETS / TABLET TRITURATES
molded tablet is also known as
TABLET TRITURATES
Molded tablets / tablet triturates are a combination of
sucrose + lactose
sweetener used in molded tablet / tablet triturate
SUCROSE
diluent used in molded tablet / tablet triturate
LACTOSE
commonly used diluent in molded tabs
2
SUCROSE
LACTOSE
- used by doctors in extemporaneous preparation of parenteral solutions
- tablets are dissolved in suitable vehicle, sterility is attained then injected
- not used anymore because of sterility problem
HYPODERMIC TABLETS
- contains large amount of highly potent drug substances, pharmacists could rapidly obtain premeasured amounts of compounding multiple dosage units
- no longer available
DISPENSING TABLETS
dispensing tablets are also known as
COMPOUNDING TABLETS
added in containers that is used to absorb moisture
DESSICANT PACKET
- a raspberry sugar-based lozenge on a stick containing fentanyl citrate
- Actiq is the first product designed to aid in controlling breakthrough pain in cancer patients
- immediate relief – its effect lasts for 15 mins
LOLLIPOPS
lollipops contains
FENTANYL CITRATE
lollipop
the first product designed to aid in controlling breakthrough pain in cancer patients
ACTIQ
the effect of lollipops last for how many mins
15 mins
first manufacture who produced lollipops
CEPHANOL
- small, solid particles of uniform shape sometimes called beads
- may be given orally or parenterally
- physical separation of incompatible substances
- placed inside hard gelatin capsule
PELLETS
pellets are sometimes called as
BEADS
- small, round, solid dosage forms containing a medicinal agent intended to be administered orally
- prepared by a wet massing and molding technique
- excipients are selected based on their ability to produce a firm and plastic mass
- liquid excipients are added to bind and provide plasticity to the mass, which is formed by kneading
- the firmness and plasticity are required for the mass to be worked and retain the produced shape
PILLS
pills are prepared by
WET MASSING
MOLDING TECHNIQUE
pills
are added to bind and provide plasticity to the mass, which is formed by kneading
LIQUID EXCIPIENTS
PILLS
required for the mass to be worked and retain the produced shape
2
FIRMNESS
PLASTICITY
allows the tablets to be easily break into two or more parts
SCORE, GROOVE
add the necessary bulk to a formulation to prepare tablets of the desired size
DILUENT OR FILLERS
promote adhesion of the particles of the formulation, allowing granulation to be prepared and maintaining the integrity of the final tablet
BINDERS OR ADHESIVES
promote breakup of the tablets after administration to smaller particles for ready drug availabiltiy
DISINTEGRANTS
inner tablet being the
CORE
outer tablet being the
SHELL
the coating of sugar coated tablets are
2
water soluble
quickly dissolves
a tablet’s durability may be determined by
FRIABILATOR
widely employed method for the production of compressed tablets
WET GRANULATION
% of starch that is usually suitable
5% - 10%
% of starch that may be used to promote more rapid tablet disintegration
20%
METHOD
- the powder mixture is compacted in large pieces and subsequently broken down or sized into granules
- either active ingredient or the diluent must have cohesive properties
DRY GRANULATION METHOD
may be used to increase the density of a powder
POWDER COMPACTORS
about 70% as sweet as sucrose
MANNITOL
a waterproofing substance
SHELLAC
method used in hard tablets
COMPRESSION
method used in soft tablets
MOLDING
prevents friction
LUBRICANT
large, usually elongated tablets intended for administration to large animals
BOLUS TABLETS
PATIENT COUNSELING
what should not be done after taking a chewable tablet
do not drink water immediately
PATIENT COUNSELING
Buccal tablets
30mins - 1hr after taking the tablet saka uminom ng water
rotate/alternate sides of the cheek
PATIENT COUNSELING
ORALLY DISINTEGRATING TABLETS
do not take water immediately
PATIENT COUNSELING
LOZENGES
bawal kagatin