Flenazine ( Fluphenazine )

Flenazine® (Fluphenazine Decanoate) 25 mg/mL, 1 mL Injection

Fluphenazine is a long-acting antipsychotic medication used primarily for the maintenance treatment of schizophrenia and other chronic psychotic disorders. It is administered by deep intramuscular injection and may provide symptom control for several weeks after a single dose.

Key Information

• Generic Name: Fluphenazine Decanoate
• Strength: 25 mg/mL (1 mL ampoule/vial)
• Drug Class: Typical (first-generation) antipsychotic
• Route: Intramuscular (IM) injection
• Prescription Status: Prescription-only medicine (Rx)
• Indication: Long-term management of schizophrenia and other psychotic disorders.

Common Side Effects

• Drowsiness
• Dizziness
• Dry mouth
• Restlessness (akathisia)
• Muscle stiffness or tremors
• Weight changes

Serious side effects can occur and require medical supervision.