| drug action |
The function of a drug in various body systems. Local: When the drug is applied locally or directly to a tissue or organ, it may combine with the cell's membrane or penetrate the cell. Its action may be (1) astringent when th
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| drug administration |
Acids: When administered orally, acids should be given well diluted through a glass tube or by stomach tube because they are corrosive to the enamel and dentin of the teeth. They should be given with much water, and th
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| drug antagonist |
A drug that prevents receptor stimulation. An antagonist drug has an affinity for a cell receptor and, by binding to it, prevents the cell from responding to an agonist.
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| drug companion |
A medication whose efficacy depends on its use with a second agent. The same drug may have little effect when used alone.
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| drug delivery, new methods of |
Several methods of drug delivery have been used experimentally. Included are chemical modification of a drug to enable it to penetrate membranes such as the blood-brain barrier; incorporation of microparticles in co
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