Gustatory hallucinations are most commonly associated with
Mesial temporal lobe epilepsy is the epilepsy syndrome most commonly associated with gustatory hallucinations. This syndrome produces seizures with limbic features, of which olfactory and gustatory experiences are classic. The underlying cause may vary, as the syndrome is defined by its localization Ref Harrison20th edition pg 2456
Temporal lobe epilepsy
Grand mal epilepsy
Anxiety disorders
Tobacco dependence
C.N.S