Compounding Exercise No 7 & 8 Flashcards
Compounding Exercise no. 7 name is:
Glycerin Suppositories
Compounding Exercise no. 7 API and chemical formula:
API: Glycerin (CH2OH-CHOH-CH2OH )
A trihydric alcohol, water-soluble, clear, almost
colorless, odorless, viscous, hygroscopic liquid
with a high boiling point
API: Glycerin (CH2OH-CHOH-CH2OH )
Glycerin (CH2OH-CHOH-CH2OH ) use:
Laxative
Compounding Exercise no. 7 excipients and chemical name and formula, use:
Excipient: Stearic acid - n- octadecanoic acid (C18H36O2) used as solidifying agent
Sodium carbonate – stiffening agent
Compounding Exercise no. 7 Raw materials and standard formula:
Glycerin 80 g
Monohydrate Na2CO3 2 g
Stearic acid 8 g
Purified water 10 ml
To make 100 g
Compounding Exercise no. 7
Dosage form:
Method use:
Suppositories
Fusion Method
Compounding Exercise no. 7
DULCR:
Description: bullet-shaped, white insert
Use/s: rectal suppositories as laxative for mild to moderate
constipation
Label: Red
Container: Aluminum foil packed in Ziploc bags
Remarks: Patients should not use laxative products longer than 1
week unless directed by a physician. Store in temperature not
exceeding 8 °C. Keep out of reach of children.
Too much use of laxative may cause?
Diarrhea
Glycerol kinase deficiency -
hyperglycerolemia
medicated, solid bodies of various sizes and shapes suitable
for introduction into body cavities.
Suppositories
Suppositories
- medicated, solid bodies of various sizes and shapes suitable
for introduction into body cavities. The medicament is
incorporated into a base such as ___________which melts at
body temperature, or into one such as _____________n or
_____________ which slowly dissolves in the mucous
secretions
Cocoa butter, Glycerinated gelatin, PEG
Common types of suppositories and their weight:
Rectal – 2 g and 1g
Vaginal – 3 to 5 g
Urethral -4 g and 2 g
Synonym of the said suppositories:
Rectal suppositories
Pessaries
Bougies
Length of the said suppositories:
32 mm (cylindrical on one or both ends)
M- 140 mm; f- 70 MM
Shapes of the said suppositories:
Bullet-shaped, cylindrical, little finger
Globular, oviform, cone-shaped
Slender pencil-like shape
Examples of the said suppositories:
Bisacodyl
Policresulen (Albothyl)
Alprostadil microsuppository
tx of gynecological infection
Policresulen
for erectile dysfunction
Alprostadil microsuppository
Compounding Exercise no. 7
Bases:
Oleaginous (fatty) bases
Water soluble or miscible bases
Miscellaneous Bases
Oleginous bases with their distinctions:
- Cocoa butter
- polymorphic base- ability to exist in different crystalline forms
- Gamma- 18 degress C
- Alpha- 22 degrees celsius
- Beta prime - 28 degrees celsius
- Beta polymorph- 34.5 degrees celsius - Wecobee- coconut oil
- Witepsol - lauric acid
- Fattibase- triglycerides of palm, palm kernel, & coconut oil
- most common & a good base for rectal supp.
Cocoa butter
- self-emulsifying glyceral monestearic and polyoxydyl stearic
Fattibase
Water soluble or miscible bases:
Glycerinated gelatin
Polyethylene glycol bases
common for vaginal suppositories
can be for rectal and urethral
Glycerinated gelatin
Polyethylene bases
- polymer of
oxide and water
do not melt at body temp. but
dissolve in bodies fluid
Polyethylene glycol bases
should contain at least 20% H2O to avoid
from mucous membrane
Polyethylene glycol bases
Miscellaneous bases and distinctions:
Polyoxyl-40 stearate
- mix. monostearate and distearate esters of mixed polyoxyl ethylenediols and free glycols
- 39-45 degrees celsius
- preformed emulsion (w/o); ability cooled water and aq. soln
Miscellaneous base
melting of Polyoxyl-40-stearate?
39-45 degrees celsius
bases should be:
- ____________, ________, inert, _____
with medicaments, and easily formed by
_____ or molding - dissolve or disintegrate in the presence of
_______ or ___________________
to allow for the release of the medication.
non-toxic, nonirritating, compatible, compression
mucous secretions, melt at body temp.
Compounding Exercise no. 7
Methods of Preparation:
Hand rolling
Compression
Fusion