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Samenvatting - galenica oplossingen

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Samenvatting - galenica: oplossingen

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OPLOSSINGEN/SIROPEN –
OOGDRUPPELS
SIROPEN

DEFINITIE

SIROPEN: = Vloeibare, visceuze, zoete bereiding door hoog gehalte aan:

1) suiker (saccharose, glucose, …)
2) zoetsmakende meerwaardige alcoholen (sorbitol, glycerol)
• Uitwendige fase: Sirupus Simplex BFV
 (saccharose 65% g/g)
 Sorbitol 70% (diabetici)
• Orale toediening

EIGENSCHAPPEN

Voordelen:

• kinderen, ouderen
• slecht smakende geneesmiddelen maskeren
• slecht oplosbare geneesmiddelen
• (hydrotrope eigenschappen van siroop)
• Dichtheid van stroop: 1.3 g/ml

100 ml stroop ≈ 130 g of 100 g stroop ≈ 77 ml

SAMENSTELLING

R/ Geneesmiddel

Hulpstoffen




Oplosmiddel (en)  enkel oplosmiddelen geschikt voor IG = inwendig gebruik

- water (aqua purificata)
- glycerine
- ethanol ‘goede smaak’

Suiker- of sorbitolstroop

, SAMENSTELLING: STROOP

• Suikerstroop = sirupus simplex BFV = enkelvoudige stroop BFV

•  Oplossing van 65g saccharose in 35 g gezuiverd water ;Bereiding : warm/koud(percolatie)

• Sorbitolstroop = solutio edulcorans sine saccharo

NFV = zoete oplossing zonder suiker

•  Oplossing van 70g sorbitol in 30 g gedestilleerd water

Aangewend bij diabetici

BEREIDING


VOORBEREIDING

• Geneesmiddel:
o maximale dosis
o oplosbaarheid
o stabiliteit
o fijnheidsgraad
• Onverenigbaarheden in het recept
• Keuze geschikte oplosmiddelen
• Uitdrukking concentraties in recept
o eindvolume: in maatglas
o eindgewicht: in getarreerd recipiënt (balans)

(hou rekening met dichtheid van siroop, alcohol, extracten, …)


BEREIDING SIROOP

Geneesmiddel afwegen of afmeten

• Volgorde van mengen:

1. Waterige geneesmiddeloplossingen
2. Stroop, glycerine (tussenstof)
3. Tincturen / Alcoholische oplossingen
4. Vloeibare extracten
5. Stroop en/of water
• Telkens grondig mengen
• Verder: cfr. oplossinge

CONTROLES

Helderheid, Neerslag en pH

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