Patch
Patch (medicine)
Patch (/pætʃ/), in the context of medicine, refers to a method of delivering medication or other therapeutic agents through the skin, typically in a controlled manner over time.
Etymology
The term "patch" originates from the Old French pachier or patcher, meaning to patch or mend. In the medical context, it was first used to describe a method of drug delivery in the 20th century.
Usage
A Transdermal patch is a medicated adhesive patch that is placed on the skin to deliver a specific dose of medication through the skin and into the bloodstream. This method of delivery can be used for various types of drugs, from nicotine for smoking cessation, to fentanyl for pain management.
A Ocular patch is used to protect an injured or infected eye. It can also be used therapeutically in the treatment of conditions such as amblyopia.
Related Terms
- Bandage: A piece of material used either to support a medical device such as a dressing or splint, or on its own to provide support to or to restrict the movement of a part of the body.
- Dressing (medical): A sterile pad or compress applied to a wound to promote healing and protect the wound from further harm.
- Plaster: A sticky substance spread on cloth and applied to the body to provide support, immobilize a part of the body, or hold a medication in place.
See Also
External links
- Medical encyclopedia article on Patch
- Wikipedia's article - Patch
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