How to start treatment Your doctor will tell you which Exelon transdermal patch is most suitable for you. • Treatment usually starts with Exelon 4.6 mg/ 24 h. • The usual daily dose is Exelon 9.5 mg/ 24 h. • Only one transdermal patch should be worn at a time and the transdermal patch should be replaced by a new one after 24 hours.