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MRP: Rs. 21.15 for 1 vial(s) (10 ML injection each)
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Composition for SIQUIL

Trifluoperazine(10 mg)

food interaction for SIQUIL

alcohol interaction for SIQUIL

pregnancy interaction for SIQUIL

lactation interaction for SIQUIL

It is better to take this medicine with food.
It may cause excessive drowsiness and calmness with alcohol.
It may be unsafe to use during pregnancy.
Animal studies have shown adverse effects on the foetus, however, there are limited human studies. The potential benefits may outweigh the risks. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Trifluoperazine(10 mg)


Siquil 10mg injection is used for the short-term treatment of anxiety or depression and also for the treatment of nausea and vomiting. Siquil 10mg injection may also be used to prevent relapse of schizophrenia (psychiatric disorder with symptoms of emotional instability, detachment from reality, often with delusions and hallucinations, and withdrawal into the self).

How it works

Siquil 10mg injection belongs to a category of drugs called as phenothiazine tranquilizers. It works by decreasing the activity of neurotransmitter dopamine that causes excitation of brain cells and helps in reducing symptoms of anxiety, depression and schizophrenia.

Common side effects

Agitation, Absence of menstrual periods, Blurred vision, Breast engorgement, Constriction of pupil, Decreased sexual function, Dizziness, Drowsiness, Dry mouth, Difficulty in urination, Increased production of breast milk, Insomnia, Lack of facial expression, Loss of appetite, Muscle weakness, Fainting, Running nose, Nasal congestion, Restlessness, Uncoordinated body movements, Water retention, Confusion, Swelling, Weakness, Weight gain


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Expert advice for SIQUIL

  • Inform your doctor before taking trifluoperazine if you or anyone from your family is suffering from any heart/blood-vessel disease or have a history of problems with blood clotting, or if you suffer from Parkinson’s disease (nervous system disorder characterized by tremors, rigidity and difficulty in movements), epilepsy (fits), glaucoma (increased pressure inside the eye), Myasthenia gravis (abnormal weakness of muscles), loss of cognitive or memory function or changes in body temperature.
  • Take precautions while using trifluoperazine if you are at risk for getting a stroke (paralysis) because of heart disease, diabetes, high blood cholesterol.
  • Do not drive vehicle or operate heavy machinery while taking this drug as it may make you feel dizzy.
  • Do not consume alcohol while taking trifluoperazine as it may worsen the side effects.
  • Consult your doctor before taking trifluoperazine if you are pregnant, planning to become pregnant or breastfeeding.


Content on this page was last updated on 09 November, 2015, by Dr. Varun Gupta (MD Pharmacology)