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Semisolid dosage forms

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Semisolid Dosage Forms—Qintments,, (‘reams, Pastes and Jellies, , Semisolid dosage forms are mainly meant for external application e.g., ointments, creams, jellies and pastes etc. The suppositories are also, included in this category although these are unit dosage form,

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Classification, , Ointment Creams Pastes, , oP a e, Bega ne, , ren ree, , al, , Poultices Plaster Suppositories, , , , , , , , Ointments, , Ointments are homogenous, translucent, viscous, semi, solid preparation intended for external application to, skin or mucous membranes. Ointment may be, medicated or not.., , «+ Applied to mucous membrane or skin :, , Uses, , Emollient, Appleation for active ingredients to the skin, Occulsive

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OINTMENTS, , Ointments are semi-solid preparations meant for external application, to the skin or mucous membrane. They usually contain a medicament or, medicaments dissolved, suspended or emulsified in an ointment base., They may contain a suitable antimicrobial preservative. The ointments, are mainly used as protective or emollient for the skin., , Classification of Ointments, Ointments may be classified as follows:—, (1) According to their therapeutic properties based on penetration, , (2) According to their therapeutic uses, , Ointment classified according to properties based on penetration, , (i) Epidermic ointments : These ointments are meant for action on, epidermis and produce local effect. They are not absorbed., These types of ointments are mainly used as protectives, antiseptics, local anti-infectives and parasiticides., , (ii) Endodermic ointments : These ointments are meant for action, on deeper layers of cutaneous tissues. They are partially absorbed and act as emollients, stimulants and local irritants., , (iii) Diadermic ointments : These ointments are meant for deep, penetration and release the medicaments that pass through the, skin and produce systemic effects.

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Three Main Layers of The Skin, , — Epidermis, , +—+ Dermis, , , , —- Subcutaneous layer