The present invention relates to a method of treating dementia or a memory disorder comprising administration of a therapeutically effective amount of galantamine (I) and a statin (II). The invention further relates to products containing as first active ingredient galantamine (I) and as second active ingredient a statin (II), as combined preparations for simultaneous, separate or sequential use in the treatment of patients suffering from Alzheimer's disease or related dementias; to related pharmaceutical compositions and uses.