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Tenoloc 50 contains atenolol, a beta-blocker used to treat various cardiovascular conditions, including:
- Hypertension (high blood pressure)
- Angina pectoris (heart-related chest pain)
- Cardiac arrhythmias (irregular heart rhythms)
- Prevention of recurrent heart attacks
- Reduction of stroke risk
- Migraine prevention
- Symptoms associated with an overactive thyroid gland (hyperthyroidism)
- Take the medication regularly at the same time each day.
- Continue treatment even if you feel well.
- Avoid suddenly stopping the medication.
- Monitor blood sugar levels regularly if you have diabetes.
- Limit alcohol intake, as it may increase dizziness and low blood pressure.
- Rise slowly from sitting or lying positions to prevent lightheadedness.
Atenolol is a cardioselective beta-1 adrenergic receptor blocker. It primarily acts on the heart by:
- Slowing the heart rate
- Reducing the force of heart muscle contractions
- Lowering blood pressure
- Decreasing the heart’s oxygen demand
These effects improve cardiac efficiency and help control cardiovascular symptoms.
Special caution is advised in patients with:
- Compensated heart failure
- Diabetes mellitus
- Peripheral vascular disorders
- Liver or kidney impairment
- Elderly patients
Important precautions include:
- Atenolol may mask symptoms of low blood sugar in diabetic patients.
- Blood pressure and heart rate should be monitored regularly.
- The medication should not be discontinued abruptly, as sudden withdrawal may worsen hypertension, angina, or increase the risk of heart attack and stroke.
- Patients experiencing dizziness should stand up slowly from sitting or lying positions.