Fluphenazine decanoate injection dose

Fluphenazine is contraindicated in patients with hematological disease. Hematologic effects including leukopenia, neutropenia, and agranulocytosis have been associated with antipsychotic use. A history of drug-induced leukopenia or neutropenia or pre-existing low white blood cell (WBC) count may increase the likelihood of developing hematologic effects during treatment with an antipsychotic medication. Patients with a history of clinically significant low WBC count or drug-induced leukopenia/neutropenia should have frequent complete blood count (CBC) assessments during the first few months of treatment. Discontinuation of the antipsychotic should be considered if a clinically significant decline in WBC occurs in the absence of an identifiable cause. Patients with clinically significant neutropenia should be closely monitored for fever and infection, and appropriate medical intervention should be instituted if necessary. Fluphenazine should be discontinued in patients with severe neutropenia (ANC < 1000/mm3); ongoing medical care is recommended until the symptoms resolve. Patients with bone marrow suppression secondary to phenothiazine use should not be re-exposed to phenothiazine treatment.

The influence of renal impairment on the pharmacokinetics of haloperidol has not been evaluated. About one-third of a haloperidol dose is excreted in urine, mostly as metabolites. Less than 3% of administered haloperidol is eliminated unchanged in the urine. Haloperidol metabolites are not considered to make a significant contribution to its activity, although for the reduced metabolite of haloperidol, back-conversion to haloperidol cannot be fully ruled out. Even though impairment of renal function is not expected to affect haloperidol elimination to a clinically relevant extent, caution is advised in patients with renal impairment, and especially those with severe impairment, due to the long half-life of haloperidol and its reduced metabolite, and the possibility of accumulation (see section ).

Oral:
-Initial dose: to 10 mg orally in divided doses every 6 to 8 hours
-Maintenance dose: 1 to 5 mg/day
-Maximum dose: Up to 40 mg/day

Oral Comments:
-Maintenance doses may be given as single daily doses.
-Many patients achieve therapeutic effect with doses of less than 20 mg. Patients who are severely disturbed or inadequately controlled may require a dose of up to 40 mg/day.

Parenteral:
Fluphenazine Decanoate for Injection:
-Initial dose: to 25 mg deep IM injection into the gluteal region
-Maintenance dose: to 100 mg IM, usually every 3 to 4 weeks
-Maximum dose: 100 mg/injection

Fluphenazine HCl for Injection:
-Initial dose: to 10 mg IM, given as divided doses every 6 to 8 hours
-Maximum dose: Up to 10 mg/day

Parenteral Comments:
-Patients may switch from Fluphenazine HCl for Injection to oral formulations when symptoms are controlled. The dose of an oral formulation is approximately 2 to 3 times the dose of fluphenazine HCl for injection.

-Fluphenazine decanoate for injection may be given subcutaneously.

Uses:
-Management of manifestations of schizophrenia
-Management of patients requiring prolonged parenteral neuroleptic therapy (., patients with chronic schizophrenia)

Fluphenazine decanoate injection dose

fluphenazine decanoate injection dose

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