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Commercial Name: Tenormin
Active Ingredient: Atenolol
Utilization: Used to treat high blood pressure, reduction of the heart rate, treatment of angina
Available Dosages: 25mg, 50mg and 100mg
Tenormin is a beta-adrenergic blocking agent. Its role is to blocks the effects of adrenergic drugs, such as adrenaline or epinephrine, on nerves of the sympathetic nervous system. Tenormin reduces the heart rate and used it treatment of abnormally rapid heart rhythms, arterial hypertension, angina, acute myocardial infraction, tachycardia (different types), ventricular fibrillation and others.
Take Tenormin before meals or at bedtime. Your dose depends on your condition and should be administered by your doctor. Take the medication exactly as prescribed. Do not change the dose and do not stop suddenly treatment even if you feel better as hypertension often has no symptoms. Avoid drinking alcohol. Let your surgeon know if you are taking Tenormin if you plan to be operated.
Hypersensitivity, sick sinus syndrome, sinus bradycardia (rate slower than 50 per minute), atrioventricular block (degree II and III), arterial hypotension, acute or chronic heart failure, peripheral blood flow disorders, breastfeeding. Cautiousness should be exercised in patients with diabetes, hypopotassemia, pulmonary emphysema, asthma, liver and kidney diseases pregnancy and with other conditions.
Side effects are rare and transient if occur. They may include weakness, fatigue, dizziness, headache, depression, dreaming, insomnia, memory loss, abdominal cramps, diarrhea, constipation, nausea, fever, impotence, lightheadedness, slow heart rate, low blood pressure, numbness, tingling, cold extremities, and sore throat and also allergy.
Never take a double dose of this medication. If it is almost time of the next dose just skip the missed portion and continue to take the medicine according to the schedule.
Symptoms of a overdose are uneven heartbeats, shortness of breath, dizziness, weakness, fainting, bluish-colored fingernails, convulsions. If you experience this call your doctor immediately.
Tablets should be stored at room temperature between 25-25 C (68-70 F) away from light and moisture.
Medically reviewed by
Dr. Josette Davignon
Last updated: 4.06.2020