Prescription
Antipsychotic (long-acting)
Fluphenazine decanoate
Last reviewed April 2026
Who is this for?
What is this drug?
Fluphenazine decanoate is a long-acting injection used to calm the brain and control symptoms of serious mental illness. It works by blocking certain chemicals in the brain (especially dopamine) that cause confused thinking, hearing voices, or unusual behavior.
What is it used for?
Schizophrenia (mental illness with hearing voicesconfused thinkingseeing things that are not there)other serious mental health conditions that need long-term treatment
Prescription Required
A doctor's prescription is required to obtain this drug legally.