Beta Blockers
Some Ca++ blockers can enhance the effects of beta blockers and NSAIDs can reduce the effects.
Can aggravate breathing difficulties in patients with asthma and COPD.
If administered with Ca++ blocker BP can fall to dangerous levels and can mask the symptoms of hypoglycemia in diabetic patients
Can aggravate breathing difficulties in patients with asthma and COPD.
If administered with Ca++ blocker BP can fall to dangerous levels and can mask the symptoms of hypoglycemia in diabetic patients
Name
BISOPROLOL ATENOLOL PROPRANOLOL |
Effect
Prevents neurotransmitters norepinephrine and epinephrine, from binding to beta receptors on nerves. By blocking the effect of norepinephrine and epinephrine on the nerves reaching the heart and blood vessels, beta blockers reduce heart rate and the force with which the heart contracts and reduce blood pressure by dilating blood vessels Beta-adrenergic blocking agent. Inhibits the effects of adrenaline and nor-adrenaline on SNS fibres, reducing heart rate and blood pressure. Beta-adrenergic blocking agent |
Uses
Hypertension and angina Tachycardia, hypertension and angina and can also be used for migraine and types of tremor Hypertension, arrhythmia, angina and certain neurological conditions (migraines, essential tremors and thyrotoxicosis |
Dose
2.5-20mg/day 50-100mg once/day 80-240mg twice/day (640mg max/day) |
Side effect
– Mild and transient. Side effects include abdominal cramps, diarrhea, dizziness, fatigue, depression, headache, nausea, impotence, slow heart rate, low blood pressure, numbness, tingling, cold extremities, sore throat, and shortness of breath or wheezing. Mild and transient. Rare side effects include abdominal cramps, diarrhea, constipation, fatigue, insomnia, nausea, depression, dreaming, memory loss, fever, impotence, lightheadedness, slow heart rate, low blood pressure, numbness, tingling, cold extremities, and sore throat. Abdominal cramps, diarrhea, constipation, fatigue, insomnia, nausea, depression, dreaming, memory loss, fever, impotence, lightheadedness, slow heart rate, low blood pressure, cold extremities, sore throat, and shortness of breath or wheezing |