くすりのしおり

Internal
Revised: 10/2019

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 :
Tenormin Tablets 25
 Active ingredient:
Atenolol
 Dosage form:
white tablets (diameter: approx. 6.6mm, thickness: approx. 3.1mm)
 Print on wrapping:
surface/テノーミン25 ZNC214, backside/テノーミン 25

Effects of this medicine

This medicine lowers blood pressure with beta-blocking activity and slows down heart rate to prevent anginal attacks, and controls tachyarrhythmia.
It is usually used to treat essential hypertension (mild to moderate), angina and tachyarrhythmia.

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: diabetic ketoacidosis, metabolic acidosis, bradycardia, atrioventricular block, sinoatrial block, sick sinus syndrome, cardiogenic shock, right heart failure caused by pulmonary hypertension, congestive heart failure, hypotension, peripheral circulatory disorder, untreated phaeochromocytoma.
  • 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 tablets (50 mg of the active ingredient) at a time, once a day.
    It should be adjusted according to age and symptoms of the patient. DO NOT exceed the daily maximum dosage, 4 tablets (100 mg of the active ingredient), at a time. Strictly follow the instructions.
  • If you are ordered to use this medicine on regular schedule and you missed a dose, take dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. DO NOT take a double dose to make up for the missed dose.
  • If you have taken or believe you may have taken excessive Tenormin 25, check with your doctor/pharmacist immediately
  • Do not stop taking the medicine without the instructions of your doctor.

Precautions while taking this medicine

  • This medicine may cause dizziness/wobbly walking. Pay attention to working at heights or operating dangerous machinery such as driving a car.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include bradycardia, dizziness, fatigue, rash, itch, vision disorder, blurred vision and decreased tears. 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.
  • fatigue, respiratory distress, body swelling [heart failure, cardiothoracic ratio increased]
  • bradycardia, disturbed pulse, conscious disorder [infrequent pulse, atrioventricular block, sinoatrial block]
  • light-headedness, dizziness, syncope (fainting) [orthostatic hypotension with syncope]
  • shortness of breath, respiratory distress, wheezing [respiratory distress, bronchospasm, wheezing]
  • bleeding from nose/gum, bruising, subcutaneous bleeding [thrombocytopenia, purpura]
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 reach of children. Store away from heat, humidity and light.
  • Discard remaining medicine; 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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