This antipsychotic medication is used for the treatment of schizophrenia and manic episodes.

IUPAC name: 1-(4-fluorophenyl)-4-[4-hydroxy-4-[3-(trifluoromethyl)phenyl]piperidin-1-yl]butan-1-one

Drug class: Typical antipsychotics; Butyrophenone

Route of administration: Oral

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Is it a drug that needs a prescription? YES

Is it an OTC drug? NO

Mechanism of action

This medication works by inhibiting the activity of a neurotransmitter (dopamine) in the brain and helps to enhance thoughts, feelings, moods, and behavior.

Side effects

It may cause dizziness, drowsiness, headache, blurred vision, nausea, vomiting, sleep issues, constipation, weight gain, salivation, agitation, dry mouth, hypotension, dyskinesia, restlessness, and muscle cramps.


Before using this medication, take the following precautions and notify your doctor:

If you are allergic to it or to other antipsychotic (neuroleptic) drugs, or if you have any other allergies,

If you are taking any other medication (prescribed, non-prescribed, or herbal products),

It should not be given to people with Parkinson’s disease.

If you have a history of Alzheimer’s disease, bipolar disorder, cardiac disease ( heart attack, angina, congestive heart failure, arrhythmia), glaucoma, seizures (fits), hyperthyroidism, leukemia (low blood cell count), hypotension (low blood pressure),

If you have undergone any type of surgery,

 If you have low blood levels of magnesium, potassium, or sodium, you may be more likely to experience QT prolongation (extended intervals between cardiac contraction and relaxation) when taking this medication.

 Limit your alcohol usage since it increases your chances of developing blurred vision, dizziness, or drowsiness. It may also cause a loss of alertness.

This drug’s adverse effects are more severe in older adults with dementia.

This drug’s adverse effects are more severe in children.

Avoid abruptly discontinuing this medication without first talking to your doctor.

Consult your doctor if you are pregnant or breastfeeding.

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