Feline Transdermal Formulation Considerations.

Transdermal delivery of drugs is comparatively new in feline patients. However, transdermal formulations can be a desirable option for treating feline patients that are not willing participants to medication administration. However, achieving drug penetration across the skin is not always easy, and there are a wide variety of variables that can further affect penetration. This, coupled with a lack of studies, make transdermal administration an unknown with regards to efficacy and safety for many drugs. This article focuses on drugs that are administered transdermally with the intent of producing systemic effects.