くすりのしおり

Internal
Published: 8/2015

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 :
CARBAMAZEPINE TABLETS 100mg "FUJINAGA"
 Active ingredient:
Carbamazepine
 Dosage form:
white tablet, diameter: 8.0 mm, thickness: 3.1 mm
 Print on wrapping:
カルバマゼピン100mg「フジナガ」, Carbamazepine100mg "FUJINAGA", L100

Effects of this medicine

This medicine suppresses epileptic attacks by relieving excessive excitement of nerves in the brain, and suppresses excessive hyperthymia through its sedative effects. It also reduces attacks of trigeminal neuralgia by suppressing excessive excitement of the trigeminal nerve of the face.
It is usually used to treat epilepsy, manic state such as manic-depressive illness and trigeminal neuralgia.

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 blood disorder, atrioventricular block, bradycardia or porphyria.
  • 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 epilepsy: In general, for adults, start with 1 to 2 tablets (100 to 200 mg of the active ingredient) at a time, twice a day, or 2 to 4 tablets (200 to 400 mg) at a time, once a day. The dosage may be gradually increased up to 6 tablets (600 mg) a day according to the symptoms. The maximum daily dose is 12 tablets (1,200 mg). In general, for children, take 1 to 6 tablets (100 to 600 mg of the active ingredient) a day, in several divided doses according to age/symptoms.
    For manic state/excitation: In general, for adults, start with 1 to 2 tablets (100 to 200 mg of the active ingredient) at a time, twice a day or 2 to 4 tablets (200 to 400 mg) at a time, once a day. The dosage may be gradually increased up to 6 tablets (600 mg) a day according to the symptoms. The maximum daily dose is 12 tablets (1,200 mg).
    For trigeminal neuralgia: In general, for adults, start with 2 to 4 tablets (200 to 400 mg of the active ingredient) a day. The dosage may be increased up to 6 tablets (600 mg) a day in several divided doses. The maximum daily dose is 8 tablets (800 mg). For children, the dosage may be decreased according to the age/symptoms.
    In any case, 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 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. Epileptic attacks may occur consecutively if you suddenly stop taking this medicine while treating epilepsy.

Precautions while taking this medicine

  • Pay extra attention when you start taking and increasing the dose of this medicine, as it may cause drowsiness/nausea/dizziness.
  • This medicine may cause drowsiness or decreased attention. Avoid operating dangerous machinery, such as driving a car.
  • Try to avoid drinking alcohol since it may intensify drowsiness.
  • Avoid taking grapefruit juice and any food containing St. John's wort (a kind of herb) with the medicine, since grapefruit juice may intensify and St John's wort may diminish medicinal effects.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include drowsiness, dizziness, light headedness, dull/fatigability, ataxia (a state in which muscle movements have gone wrong), lassitude, rash, headache/dull headache, dizziness on standing up, dry mouth (thirst), angioedema (swelling of the face, tongue and throat), itch, photosensitivity, vasculitis, hives, respiratory distress, flush, porphyria (abdominal pain, nausea), anemia, swelling of lymph glands and pancreatitis. 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.
  • sore throat, bleeding tendency, anemic symptoms [blood disorder such as aplastic anemia and agranulocytosis]
  • fever, skin rash/blister, bloodshot eyes and lip or oral erosions [toxic epidermal necrolysis, mucocutaneous ocular syndrome, acute generalized exanthematous pustulosis, erythroderma]
  • fever, rash, swelling of lymph node [hypersensitivity syndrome]
  • loss of appetite, general malaise, yellow discoloration of the skin or white of the eyes [liver dysfunction, jaundice]
  • dizziness, syncope, bradycardia [congestive heart failure, atrioventricular block, sinus node dysfunction, bradycardia]
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 and heat (including the heat in your car). Store in a light shielding condition.
  • 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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