PHARMACEUTICAL INSERTS Flashcards

1
Q

are solid bodies of various weights and shapes, adapted for introduction into the rectal, vaginal, or urethral orifices of the human body.

A

suppository

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2
Q

are used to deliver drugs for their local or systemic effects.

A

suppository

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3
Q

What are the advantages of Suppositories?

A
  • Useful for patients who are unconscious and vomiting
  • Avoids 1st pass effect by the liver
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4
Q

1st pass effect

A

Presystemic Metabolism

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5
Q

Disadvantages of Suppo

A

Unpredictable
Variable absorption
Unacceptable to certain patients/culture

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6
Q

Type of Suppo

A

Rectal
Vaginal/Pessaries
Urethral/Bougies

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7
Q

SHAPE OF RECTAL

A

little finger
torpedo
bullet

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8
Q

SHAPE OF VAGINAL

A

cone
oviform
globular

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9
Q

SHAPES OF URETHRAL

A

pencil

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10
Q

WEIGHT OF RECTAL

A

Adults ; 2g
Pediatrics ; 1g

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11
Q

WEIGHT OF VAGINAL

A

5g

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12
Q

WEIGHT OF URETHRAL

A

male ; 4g
female ; 2g

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13
Q

SIZE OF RECTAL

A

Adults ; 32mm
Pediatrics ; 16mm

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14
Q

SIZE OF URETHRAL

A

Male ; 140 mm
Female ; 70 mm

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15
Q

GENERAL SPECIFICATIONS FOR SUPPOSITORY BASE

A

nontoxic
nonirritating
compatible
stable
melts , dissolve in the rectal fluids

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16
Q

3 GROUPS CLASSIFICATION OF SUPPOSITORY BASES

A

fatty / oleaginous base
water - soluble / water miscible base
Miscellaneous Base

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17
Q

a combination of lipophilic and hydrophilic subtances

A

MISCELLANEOUS BASE

18
Q

Obtained from Theobroma cacao

A

Cocoa Butter

19
Q

Widely used for rectal suppositories

A

Cocoa Butter

20
Q

MELTING POINT VARIATION of
gamma
alpha
beta prime
beta

A

Gamma (γ): ~18°C
Alpha (α): ~22°C
Beta Prime (β’): ~28°C
Beta (β): ~34.5°C

21
Q

Which is the ideal suppository base in the 4 melting points?

A

BETA - 34.5 C

  • close to body temparatue
22
Q

Wecobee Base

A

Derived from coconut oil triglycerides.

23
Q

Composed of triglycerides from saturated fatty acids (C12-C18).

A

Witepsol Base

24
Q

Major Component is LAURIC ACID

A

witepsol base

25
Most frequently used in pessaries
GLYCERINATED GELATIN
26
IT LIQUEFY
deliquescent
27
it does not liquefy
hydroscopic
28
PEG
POLYETHYLENE GLYCOL
29
can be stored at usual room temperature 20 - 25 does not melt at body temperature but rather dissolved slowly in the body fluids
PEG
30
Mixtures of oleaginous and water soluble/water miscible materials
MISCELLANOUS BASES
31
Mixture of monostearate and distearate esters derived from polyoxyethylene.
Polyoxyl 40 Stearate cOMPOSITION
32
POLYOXYL 40 STEARATE APPEARANCE
/ white to light tan waxy solid
33
WATER SOLUBILITY OF POLYOXYL 40 STEARATE AND ME;LTING POINT
WATER SOLUBLE / MP ; 39 - 45 C
34
2 PREPATION OF SUPPOSITORY
MOLDING HAND ROLLING AND SHAPING
35
Most frequently employed both on a small-scale and industrial use
MOLDING
36
Oldest and simplest method
HAND ROLLING AND SHAPING
37
Ovoid- or pear-shaped compressed tablets inserted into the vagina using a plastic inserter For local and systemic use
VAGINAL TABLETS
38
VAGIFEM
ESTRADIOL
39
ANTIFUNGAL AND TREATMENT FOR CANDIDIASIS ( vaginal yeast infection)
NYSTATIN VAGINAL TABLETS
40
Long acting dosage forms that provide continuous release of the drug often for periods of months to years. They can be administered for local or systemic delivery
IMPLANTS