くすりのしおり

Internal
Revised: 9/2015

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 :
Lasix Tablets 20mg
 Active ingredient:
Furosemide
 Dosage form:
white tablet, diameter: 6.0 mm, thickness: 2.0 mm
 Print on wrapping:
ラシックス20,ラシックス,20,Lasix 20,DLF20

Effects of this medicine

This medicine inhibits sodium and chloride reabsorption in renal tubule to show diuretic effect, which reduces circulatory blood flow to decrease blood pressure.
It is usually used to treat hypertension (essential, renal, etc.), malignant hypertension, cardiac edema (congestive heart failure), renal edema, hepatic edema, premenstrual syndrome, edema caused by peripheral vascular disorder and facilitation of the excreation of urinary calculi.

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 anuria or hepatic coma.
    If you are patient whose amount of sodium and potassium in the fluid has been apparently decreased.
  • 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))
  • In general, for adults, take 2 to 4 tablets (40 to 80 mg of the active ingredient) at a time, once a day for couple of days, or every other day. The dosage may be adjusted according to disease, age and symptoms of the patient. In the case of renal dysfunction, etc. , you may be adviced to take much more dose. However, for the treatment of malignant hypertension, this drug is usually co-administered with other anti-hypertensives. Strictly follow the instructions.
  • 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 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.

Precautions while taking this medicine

  • During the first 1 to 2 weeks of medication, your urine output will increase within 10 minutes to 3 hours after taking the medicine. Plan your commuting/driving timing.
  • This medicine may cause dizziness/lightheadedness due to decreased blood pressure. Be aware of operating in potentially hazardous activities such as working at heights and driving a car.
  • When you need sufficient rest than usual, take the medicine in the daytime so as to avoid urinating during the night.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include dry mouth, malaise, headache, nausea/vomiting, anemia, rash, hives, redness, photosensitivity, itch, bullous dermatitis, purpura and jaundice. 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.
  • itchy sensation, shortness of breath, cold sweat [shock, anaphylaxis]
  • fever, sore throat, malaise [aplastic anemia, pancytopenia, agranulocytosis, thrombocytopenia, pure red-cell aplasia]
  • red rash on skin, blister, itch/wheal  [bullous pemphigoid]
  • decreased hearing, ear fullness, dizziness [hearing loss]
  • high fever (38℃ or over), red rash/blister on skin, bloodshot eyes [toxic epidermal necrolysis, mucocutaneo-ocular syndrome, erythema multiforme, acute generalized exanthematous pustulosis]
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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