“…Additionally, atenolol is absorbed transdermally in mice and guinea pigs. [23][24][25] Currently, transdermal administration of atenolol is being substituted for oral administration in clinical practice, typically in doses equal to those given orally, although, to our knowledge, no published study exists reporting plasma atenolol concentrations or a clinical effect of this approach in cats. Compounding pharmacies use, almost exclusively, a pluronic lecithin organogel formulation for transdermal administration of medications to animals.…”