The Patch was first commercially available and approved by the U.S. Food and Drug Administration in December 1979.
The Transdermal Patch
is a medicated adhesive patch that is placed on the skin to deliver a specific dose of medication through the skin into your bloodstream as a drug delivery method.
A Dermal Patch
or (skin patch) is a medicated adhesive patch that is placed on the skin to deliver medication into the skin but not into your bloodstream.You just stick it to your skin and watch and wait.
seem more simplistic than Surgery and or Aspiration but people are mainly drawn to them because they are relatively inexpensive and easy to use.