Nonselective beta blockers are a class of medications used to treat a variety of cardiovascular conditions. They work by blocking beta-1 and beta-2 receptors in the body, which reduces heart rate, blood pressure, and the force of heart contractions.
Nonselective beta blockers are often used to treat:
Beta-1 receptors are located in the heart and blood vessels. When these receptors are stimulated, it causes an increase in heart rate, blood pressure, and the force of heart contractions.
Beta-2 receptors are located in the lungs, muscles, and liver. When these receptors are stimulated, it causes relaxation of the airways, dilation of blood vessels, and a decrease in liver glucose production.
Nonselective beta blockers block both beta-1 and beta-2 receptors. This can lead to a decrease in heart rate, blood pressure, and the force of heart contractions. It can also cause bronchospasm (narrowing of the airways) and fatigue.
The most common side effects of nonselective beta blockers include:
Nonselective beta blockers can also increase the risk of certain side effects, such as:
Nonselective beta blockers are not recommended for people with:
The dosing of nonselective beta blockers varies depending on the condition being treated. The usual starting dose is 10 mg to 20 mg taken once or twice daily. The dose may be gradually increased until the desired effect is achieved.
Nonselective beta blockers can interact with other medications, such as:
People taking nonselective beta blockers should be monitored regularly for side effects. The doctor will also check the heart rate and blood pressure to ensure that the medication is working properly.
Here are a few tips and tricks for taking nonselective beta blockers:
Here are a few common mistakes to avoid when taking nonselective beta blockers:
Here is a step-by-step approach to taking nonselective beta blockers:
Pros
Cons
Nonselective beta blockers are a safe and effective treatment for a variety of cardiovascular conditions. However, it is important to be aware of the potential side effects and risks before taking this medication.
Medication | Brand Name |
---|---|
Propranolol | Inderal |
Metoprolol | Lopressor |
Atenolol | Tenormin |
Nadolol | Corgard |
Timolol | Blocadren |
Side Effect | Percentage |
---|---|
Fatigue | 10-15% |
Dizziness | 5-10% |
Lightheadedness | 5-10% |
Bradycardia | 1-5% |
Hypotension | 1-5% |
Bronchospasm | |
Erectile dysfunction | |
Gastrointestinal upset |
Risk | Percentage |
---|---|
Heart failure | 0.5-1% |
Stroke | 0.1-0.5% |
Diabetes | 0.1-0.5% |
Hypothyroidism | 0.1-0.5% |
Depression | 0.1-0.5% |
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