Question 1

What is Fluphenazine decanoate used for?

Accepted Answer

Schizophrenia (mental illness with hearing voices, confused thinking, seeing things that are not there), other serious mental health conditions that need long-term treatment

Question 2

How do you take Fluphenazine decanoate?

Accepted Answer

This is not a drug you take at home — it is given as an injection by a doctor or nurse, usually into your buttock or upper arm muscle. The usual starting dose for adults is 12.5 mg to 25 mg, and it is given once every 2 to 4 weeks. Your doctor will adjust the dose based on how you respond. You must keep all your injection appointments so the medicine keeps working.

Question 3

What are the side effects of Fluphenazine decanoate?

Accepted Answer

Feeling sleepy or drowsy, dry mouth, stiffness or tightness in the muscles, restlessness or inability to sit still, mild dizziness especially when standing up quickly

Question 4

Who should not take Fluphenazine decanoate?

Accepted Answer

People who are allergic to fluphenazine or similar medicines (phenothiazines), people with severe liver damage, people with blood disorders, people in a coma or deeply sedated state, people with brain damage, and people with a condition called pheochromocytoma (a rare tumor). Elderly patients with dementia should also avoid it.

Question 5

Is Fluphenazine decanoate safe during pregnancy?

Accepted Answer

This drug is not considered safe during pregnancy or breastfeeding — consult your doctor immediately if you are pregnant, planning to become pregnant, or breastfeeding.

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