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Dosage Forms!
Definitions of some common dosage forms.
Dosage form | definition | Route(s) |
---|---|---|
capsules | an oral solid dosage form, usually consisting of a powder contained inside a gelatin shell. May be extended-release. | PO |
tablets | solid dosage form. May or may not be coated, extended-release, or chewable. | PO, PV, SL |
powder | a solid dosage form made from a thoroughly blended mixture of one or more active ingredients and excipients. | Top., PO (usually dissolved in food/liquid) |
lozenges, troches | oral dosage forms allowed to dissolve over time in the oral cavity. | Bucc. |
suppositories | a solid dosage form inserted into the body. Melts or softens at body temperature. May have systemic or local effects. | PR, PV, intraurethral |
solution | a liquid form in which a water-soluble solid chemical is dissolved into water or other liquid. | PO, top, IV, IM, SQ, ophth, otic, inh. |
suspension | A liquid preparation that contains insoluble solid particles that will "settle" to the bottom if left alone. Must be shaken prior to administration. | PO, IV, IM, SQ, ophth, otic |
Emulsion | Oral, IV or topical; a mixture of two immiscible liquids. Example: italian salad dressing. | PO, IV, IM, SQ, top |
Ointments | a semisolid preparation applied to skin or mucosal tissue (such as eyelids). Greasy texture, common base is petroleum jelly. | top, ophth |
Creams | soft, opaque solids usually applied externally. Absorbs completely into skin | top, PV |
Gels | a semisolid usually applied externally. Consists of an oil phase and an aqueous phase. | top, PV |
metered dose inhalers | Not suitable for compounding per FDA regulations. | inh. |
patches | Externally applied dosage form that contains a reservoir of drug that releases transdermally at a constant rate. Should be applied to a clean, hair-free area of skin. | top. |