What is a description of the contra-indications using aricept?

Aricept is contraindicated if you are hypersensitive to it's main ingredient (donezepril). It is cautioned (slightly less serious than contraindicated) if you have cardiac conduction defects, you have a sinus syndrome, asthma, copd. It is also cautioned if you have a seizure disorder, you use NSAIDS or have PUD. But you need to contact your doctor or your pharmacist if you have any further questions about your medications and if they are safe for you.