Mtenol Tablets (Atenolol)

Adult dose

Hypertension: The initial adult dose is 50 mg of Atenolol taken once daily, either alone or in combination with a diuretic (thiazide), administered orally. If there is no effect within 1-2 weeks, increase to 100 mg once daily, without exceeding 100 mg per day. Angina: Take 100 mg once daily divided into 1-2 doses, without exceeding 100 mg per day. For patients with renal impairment: Creatinine clearance of 15-35 ml/min/1.73㎡

This medication should not be used by individuals who are allergic to its active ingredients or excipients. Patients with severe bronchial asthma or chronic obstructive pulmonary disease should not take this medication. This medicine is not suitable for patients with diabetic ketoacidosis or metabolic acidosis. Patients with very slow heart rates or disorders of cardiac conduction should not take this medication. Patients with cardiogenic shock, right heart failure due to pulmonary hypertension, congestive heart failure, severe hypotension, or peripheral circulation disorders should also avoid this medication. Patients with thyroid dysfunction or untreated specific tumors should avoid this medication as well. Patients with lactose intolerance or certain genetic metabolic disorders should not take this medication due to the lactose it contains. Patients who may experience bronchial asthma or seizures should use this medication cautiously and may need to take it together with a bronchodilator, if necessary. Patients at risk of heart failure should be closely monitored while taking this medication, and care should be taken when combining it with other heart medications. Diabetic patients or those at risk for hypoglycemia should carefully monitor for symptoms of low blood sugar and pay attention to blood sugar management. Patients with severely impaired liver or kidney function, as well as elderly patients, should have dosage adjustments and careful monitoring when using this medication. During the use of this medication, various side effects such as rash, itching, dry eyes or visual disturbances, decreased heart rate, hypotension, dizziness, digestive disorders, etc., may occur; therefore, if any abnormal symptoms arise, it is essential to consult a healthcare professional immediately. Patients taking this medication for an extended period should have regular examinations of heart function, blood pressure, liver, and kidney functions, and sudden discontinuation can worsen heart problems, so the dosage must be gradually reduced according to the physician's instructions. Patients scheduled for surgery should inform their healthcare providers about their use of this medication, and special caution is required during anesthesia. Patients may experience dizziness at the beginning of taking this medication, so it is advisable to avoid driving or operating hazardous machinery. Women during pregnancy or breastfeeding should cautiously consider the effects on the fetus or newborn and consult a physician before deciding to take this medication. The safety of this medication in children has not been established, so special caution is necessary for pediatric use. Elderly patients should start at a lower dose and be closely monitored for their condition. When taken with other medications, there may be interactions; thus, it is essential to inform healthcare providers of all medications being taken, especially when combined with antihypertensives, antidiabetic drugs, heart medications, or anesthetics. In the case of overdose, symptoms may include decreased heart rate, hypotension, respiratory distress, and hypoglycemia; immediate treatment is necessary, and appropriate medical care should be sought if needed.

Serious side effects

Hives, severe swelling (angioedema), chest tightness, shortness of breath, bronchospasm, wheezing, asthma, severe allergic reaction, intrahepatic cholestasis, liver toxicity, suspected jaundice symptoms, severe neurological symptoms (headache, consciousness disturbance, paralysis), severe swelling, elevated blood pressure, heart failure, atrioventricular block, sinoatrial block, bradycardia (notable if below 45 bpm), acute heart failure, cardiogenic shock, hypotension, thrombocytopenic purpura, thrombocytopenia

Mild side effects

• Rash
• itching
• decreased tear production
• blurred vision
• dry eyes
• bradycardia
• cold extremities
• palpitations
• increased heart size
• hypotension

This medication is sensitive to light, so it should be stored in a tightly sealed container that blocks light. Additionally, it is best stored at room temperature between 1°C and 30°C. Proper storage will help maintain the medicine's effectiveness and safety.

Appearance

White round film-coated tablet

Package unit

30 tablets/bottle, 300 tablets/bottle