Daytrana (methylphenidate) is a prescription drug that’s used to treat attention deficit hyperactivity disorder (ADHD). It comes as a transdermal patch that’s usually applied to the skin once per day.

Xulane (norelgestromin/ethinyl estradiol) is a branded-generic prescription drug used to prevent pregnancy. The drug comes as a transdermal patch you apply to your skin once per week for 3 weeks each ...