Zinc pastes

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Highly concentrated suspensions of plastic deformability containing a large proportion of fine, insoluble powders (20-50%) homogeneously dispersed in a liquid (e.g. glycerol 85%) or ointment-like (e.g. petroleum jelly) vehicle.

Indication
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  • Hard zinc pastes with a solids content of 50% and more, have a drying, secretion-binding and covering effect. They are indicated for subacute to chronic conditions. skin diseases(zinc paste).
  • Soft zinc pastes with a lower solid content; the properties of the base predominate (mostly anhydrous, lipophilic, also absorption bases, more rarely emulsion ointments or hydrogels), i.e. they have a greasing and covering effect. They are mainly used for the therapy of dry skin and non-wetting, healing dermatoses.

Standard concentration
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  • Composition according to Austrian Pharmacopoeia (ÖAB): 1/4 zinc oxide, 1/4 talc and 2/4 yellow vaseline.
  • Composition according to German Pharmacopoeia (DAB10): 1/4 zinc oxide, 1/4 wheat starch and 2/4 white petroleum jelly.

Recipe(s)
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Authors

Last updated on: 29.10.2020