This chapter contains sections titled: Introduction Rationale for Cholinergic Therapies Donepezil Galantamine Rivastigmine Comparative Efficacy and Tolerability Switching Acetylcholinesterase Inhibitors Prescribing and Monitoring Acetylcholinesterase Inhibitors Memantine Neuropsychiatric Effects of Cholinesterase Inhibitors and Memantine Alternative Therapies for Alzheimer'S Disease Future Therapies for Ad Conclusion References