くすりのしおり

Internal
Revised: 10/2018

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 :
VALACICLOVIR Tablets 500mg "SATO"
 Active ingredient:
Valaciclovir hydrochloride
 Dosage form:
white tablet, major axis: 18.5 mm, minor axis: 7.5 mm, thickness: 6.2 mm
 Print on wrapping:
(face) バラシクロビル錠500 mg「サトウ」, 500 mg, VALACICLOVIR TABLETS 500 mg「SATO」 (back) バラシクロビル錠500 mg「サトウ」, VALACICLOVIR TABLETS 500 mg「SATO」

Effects of this medicine

This medicine suppresses the proliferation of virus by inhibiting replication of the viral DNA.
It is usually used to treat herpes simplex, herpes zoster and varicella, and to suppress the onset of herpes simplex associated with hematopoietic stem cell transplantation and the recurrence of genital herpes.

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

  • If you have previously experienced any allergic reactions (itch, rash, etc.) to any medicines.
    If you have renal disorder.
    If you are on dialysis.
  • If you are 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))
  • [For adults]
    For herpes simplex: In general, for adults, take 1 tablet (500 mg as valaciclovir) at a time, twice a day.
    For suppression of onset of herpes simplex virus infection (herpes simplex) associated with hematopoietic stem cell transplantation: In general, for adults, take 1 tablet (500 mg) at a time, twice a day from 7 days prior to hematopoietic stem cell transplantation to 35 days after transplantation throughout.
    For herpes zoster: In general, for adults, take 2 tablets (1,000 mg) at a time, 3 times a day.
    For varicella: In general, for adults, take 2 tablets (1,000 mg) at a time, 3 times a day.
    For suppression of recurrence of genital herpes: In general, for adults, take 1 tablet (500 mg) at a time, once a day. The dosage or dose frequency may be adjusted according to the symptoms.
    [For children]
    For herpes simplex: In general, for children weighing 40 kg or more, take 1 tablet (500 mg as valaciclovir) at a time, twice a day.
    For suppression of onset of herpes simplex virus infection (herpes simplex) associated with hematopoietic stem cell transplantation: In general, for children weighing 40 kg or more, take 1 tablet (500 mg) at a time, twice a day from 7 days prior to hematopoietic stem cell transplantation to 35 days after transplantation throughout.
    For herpes zoster: In general, for children weighing 40 kg or more, take 2 tablets (1,000 mg) at a time, 3 times a day.
    For varicella: In general, for children weighing 40 kg or more, take 2 tablets (1,000 mg) at a time, 3 times a day.
    For suppression of recurrence of genital herpes: In general, for children weighing 40 kg or more, take 1 tablet (500 mg) at a time, once a day. The dosage or dose frequency may be adjusted according to the symptoms.
    In any case, the dosage or dose frequency may be adjusted according to the underlying disease. Strictly follow the instructions.
  • If you miss a dose, take the missed dose as soon as possible. However, if it is almost time for the next dose, skip the missed dose and follow your regular dosing schedule. You should not take two doses at one time.
  • If you accidentally take more than your prescribed dose, consult with your doctor or pharmacist.
  • Do not stop taking this medicine unless your doctor instructs you to do so.

Precautions while taking this medicine

  • Please take a larger amount of water than usual while you are on this medicine. However, if you have been instructed to restrict fluid intake, please consult with your doctor or pharmacist.
  • This medicine may cause consciousness disorder. Pay close attention when operating dangerous machinery, such as driving a car. Patients with renal dysfunction are more susceptible to consciousness disorder, so do not operate dangerous machinery depending on your condition.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include headache, decreased consciousness, abdominal pain, nausea, vomiting, diarrhea, rash, hives, itch and photosensitivity. 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.
  • respiratory distress, angioedema, palpitation [anaphylaxis shock, anaphylaxis]
  • decreased urine output, edema, headache [acute renal failure]
  • decreased consciousness, hallucination, convulsion [neuropsychiatric symptom]
  • fever, conjunctival hyperemia, mucosal eruption with pain in the oral mucosa [toxic epidermal necrolysis, mucocutaneous ocular syndrome]
  • general malaise, loss of appetite, yellow discoloration of the skin and the white of eyes [hepatitis, liver dysfunction, jaundice]
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 direct sunlight, heat and moisture.
  • Discard the remainder. Do not store them.

For healthcare professional use only : Day Month Year

For further information, talk to your doctor or pharmacist.

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