くすりのしおり

Internal
Revised: 11/2019

The information on this sheet is based on approvals granted by the Japanese regulatory authority. Approval details may vary by country. Medicines have adverse reactions (risks) as well as efficacies (benefits). It is important to minimize adverse reactions and maximize efficacy. To obtain a better therapeutic response, patients should understand their medication and cooperate with the treatment.
Brand name :
Serenace Fine Granules 1%
 Active ingredient:
Haloperidol
 Dosage form:
white fine granules
 Print on wrapping:

Effects of this medicine

This medicine regulates neurotransmitter (such as dopamine) in the brain to relieve strong anxiety and nervous tension, and stabilize the mood. It also suppresses uncontrollable excitation and behavior.
It is usually used to treat schizophrenia and mania.

Before using this medicine, be sure to tell your doctor and pharmacist

  • If you have previously experienced any allergic reaction (itch, rash, etc.) to any medicine.
    If the patient is in coma.
    If you have heart failure or Parkinson's disease.
  • If you are pregnant, possibly pregnant or breastfeeding.
  • If you are taking any other medicinal products. (Some medicines may interact to enhance or diminish medicinal effects. Beware of over-the-counter medicines and dietary supplements as well as other prescription medicines.)

Dosing schedule (How to take this medicine)

  • Your dosing schedule prescribed by your doctor is ((        to be written by a healthcare professional))
  • In general, for adults, start with taking 75 to 225 mg (0.75 to 2.25 mg of the active ingredient) per day, and increase the dose in incremental steps. Standard maintenance dose is 300 to 600 mg (3 to 6 mg) per day, however it may be adjusted according to the age or symptoms. Strictly follow the instructions of your doctor or pharmacist.
  • If you miss a dose, take a dose as soon as you remember. However if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. You should never take two doses at once.
  • If you accidentally take more than your prescribed dose, consult with your doctor or pharmacist.
  • Do not stop taking the medicine without the instructions of your doctor.

Precautions while taking this medicine

  • Pay attention that alcohol may intensify medicinal or medical effects.
  • This medicine may cause drowsiness and decreased attention, concentration and reflex action ability. Avoid operating machinery with potential risk such as driving a car.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include Parkinson's symptoms (tremor, muscle rigidity, salivation, bradykinesia, gait disorder, mask-like face, dysphagia), akathisia (restlessness), insomnia, feeling irritated, nervousness, liver dysfunction (general malaise, anorexia), rash, hives, itch, photosensitivity, respiratory distress and laryngismus (coughing fit). If any of these symptoms occur, consult with your doctor or pharmacist.
The symptoms described below are rarely seen as initial symptoms of the adverse reactions indicated in brackets. If any of these symptoms occur, stop taking this medicine and see your doctor immediately.
  • sudden fever, muscle rigidity, tremor of limbs [malignant syndrome]
  • dizziness, palpitation, shortness of breath [ventricular fibrillation, ventricular tachycardia]
  • loss of appetite, nausea, vomiting, severe constipation [paralytic ileus]
  • involuntary movement of face, particularly around the mouth [tardive dyskinesia]
  • loss of appetite, nausea, vomiting, convulsion [syndrome of inappropriate antidiuretic hormone secretion]
The above symptoms do not describe all the adverse reactions to this medicine. Consult with your doctor or pharmacist if you notice any symptoms of concern other than those listed above.

Storage conditions and other information

  • Keep out of the reach of children. Store away from light, heat and moisture.
  • Discard the remainder. Do not store them. Ask your pharmacist how to discard.

For healthcare professional use only : Day Month Year

For further information, talk to your doctor or pharmacist.