くすりのしおり

Internal
Revised: 6/2017

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 :
ATENOLOL TABLETS 25mg "TOWA"
 Active ingredient:
Atenolol
 Dosage form:
white tablet, diameter: 6.6 mm, thickness: 3.2 mm
 Print on wrapping:
Tw. TM25, アテノロール 25 mg, 25 mg, Atenolol 25, 高血圧, 狭心症または不整脈の薬

Effects of this medicine

This medicine decreases blood pressure by blocking β-receptors, prevents anginal attacks by lowering heart rate, and suppresses tachyarrhythmia.
It is usualy used to treat essential hypertension (mild to moderate), angina pectoris 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-sided heart failure due to pulmonary hypertension, congestive heart failure, hypotension, peripheral circulatory disorder or untreated pheochromocytoma.
  • 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. The dosage may be adjusted according to the disease, age or symptoms. The maximum daily dose is 4 tablets (100 mg) at a time, once a day. 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.

Precautions while taking this medicine

  • This medicine may cause dizziness/light headedness. Pay attention when working at heights or operating dangerous machinery, such as driving car.

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include dizziness, dullness, rash, itch, visual abnormality, foggy vision and decreased lacrimal secretion. 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.
  • dullness, respiratory distress, general edema [heart failure, increased cardiothoracic ratio]
  • bradycardia, skipped heartbeats, consciousness disorder [bradycardia, atrioventricular block, sinoatrial block]
  • dizziness on standing up, dizziness, syncope [orthostatic hypotension with syncope]
  • shortness of breath, respiratory distress, wheezing (whistling breath)  [respiratory distress, bronchospasm, wheezing]
  • nose/gum bleeding, bruise, 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 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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