Table 2: Dosing of cholinesterase inhibitors
    Tacrine   Donepezil   Rivastigmine   Galantamine
Dose (mg)   10-40 qid   5-10 daily   1.5-6 bid   4-12 bid
Updosing amoun t(mg)   10 qid   5 daily   1.5 bid   4 bid
Updosing interval (weeks)   6   4-6   2-4   4