くすりのしおり

Internal
Revised: 11/2013

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 :
PYRETHIA Tablet 5mg
 Active ingredient:
Promethazine hydrochloride
 Dosage form:
very light reddish orange tablet, diameter: approx. 6.1 mm, thickness: approx. 3.7 mm
 Print on wrapping:

Effects of this medicine

This medicine is a phenothiazine antihistamine/antiparkinsonian medicine which suppresses allergic reactions and symptoms of Parkinson's disease. It suppresses the central nervous system, etc., and shows anesthetic/sleep enhancement effects as well as antipyretic/analgesic/antiemetic actions.
It is usually used to to treat shaking palsy, parkinsonism, allergic rhinitis, itch associated with skin diseases (eczema/dermatitis, cutaneous pruritus, drug eruption and toxicoderma), hives, sneezing/nasal discharge/cough due to cold, motion sickness, pollinosis and vasomotor edema. It is also used in preanesthetic medication and artificial (drug-induced) hibernation.

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 coma, glaucoma or occlusive disease in the lower urinary tract, such as prostatic hypertrophy.
  • 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 shaking palsy and parkinsonism: In general, for adults, take 5 to 40 tablets (25 to 200 mg of the active ingredient) in several divided doses a day.
    For other conditions: In general, for adults, take 1 to 5 tablets (5 to 25 mg of the active ingredient) at a time, 1 to 3 times a day.
    The dosage may be adjusted according to your disease, age or symptoms. 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. You should never 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

  • This medicine may cause drowsiness. Avoid operating dangerous machinery, such as driving a car.
  • Alcohol (drinking) may intensify drowsiness, etc.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include drowsiness, dry mouth, headache, rash, photosensitivity, liver disorder, sweating and dizziness. 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.
  • muscle stiffness, tachycardia, fever [malignant syndrome]
  • (When administered to children) sudden death, breathing stops during sleep [sudden infant death syndrome, episodes of infant sleep apnea]
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.

For healthcare professional use only : Day Month Year

For further information, talk to your doctor or pharmacist.

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