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Oral administration of a liquid. In pharmacology and toxicology, a route of administration is the way by which a drug, fluid, poison, or other substance is taken into the body. [1] Routes of administration are generally classified by the location at which the substance is applied. Common examples include oral and intravenous administration.
Oral administration is a route of administration whereby a substance is taken through the mouth, swallowed, and then processed via the digestive system. This is a common route of administration for many medications. Oral administration can be easier and less painful than other routes of administration, such as injection.
Subcutaneous administration is the insertion of medications beneath the skin either by injection or infusion. A subcutaneous injection is administered as a bolus into the subcutis, the layer of skin directly below the dermis and epidermis, collectively referred to as the cutis. The instruments are usually a hypodermic needle and a syringe.
Therapeutic peptides and proteins. A relatively new way of administration of therapeutic peptides and proteins (such as cytokines, domain antibodies, Fab fragments or single chain antibodies) is sublingual administration. Peptides and proteins are not stable in the gastro-intestinal tract, mainly due to degradation by enzymes and pH differences.
Enteral administration involves the esophagus, stomach, and small and large intestines (i.e., the gastrointestinal tract). Methods of administration include oral, sublingual (dissolving the drug under the tongue), and rectal. Parenteral administration is via a peripheral or central vein. [1] In pharmacology, the route of drug administration is ...
A transdermal patch which delivers medication is applied to the skin. The patch is labelled with the time and date of administration as well as the administrator's initials. Transdermal is a route of administration wherein active ingredients are delivered across the skin for systemic distribution. Examples include transdermal patches used for ...
Intrathecal administration is a route of administration for drugs via an injection into the spinal canal, or into the subarachnoid space so that it reaches the cerebrospinal fluid (CSF). It is useful in several applications, such as for spinal anesthesia, chemotherapy, or pain management. This route is also used to introduce drugs that fight ...
Buccal administration is a topical route of administration by which drugs held or applied in the buccal ( / ˈbʌkəl /) area (in the cheek) diffuse through the oral mucosa ( tissues which line the mouth) and enter directly into the bloodstream. Buccal administration may provide better bioavailability of some drugs and a more rapid onset of ...