Drug
Donepezil
Missed Dose
If you forget to change the patch, remove the old patch and apply a new patch as soon as you remember. Then continue to change the patch 7 days later to start a new weekly cycle. Do not apply 2 patches to catch up.
Overdose
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669. Symptoms of overdose may include nausea/vomiting that is severe or doesn't stop, excessive sweating, very slow heartbeat, slow or shallow breathing, seizures.