These antipsychotic drugs are also sometimes known as neuroleptics or major tranquilizers, in contrast to minor tranquilizers such as Valium that are used to treat anxiety or sleep disorders.
Partridge particularly needed Valium to cope with the grinding monotony of concert touring, which he had always disliked but endured for the good of the band.
He had been through a dental procedure in which an addictive sedative, Valium, was used; this caused him to relapse, and he once again became dependent on drugs.