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Beta blockers are not recommended as a first treatment if you have only high blood pressure. Beta blockers are not usually used for high blood pressure unless other medicines, such as diuretics, have not worked well. A beta blocker may be one of several medicines used to lower blood pressure.
If you have diabetes, beta blockers may block signs of low blood sugar, such as a rapid heartbeat. It's important to check your blood sugar regularly if you have diabetes and you're taking a beta blocker.
Some beta blockers can affect cholesterol and triglyceride levels. They can cause a slight rise in triglycerides, a type of fat in the blood. Beta blockers also can cause a modest decrease in good cholesterol, called high-density lipoprotein (HDL) cholesterol. These changes may only last for a short time.
By the mid 1970s, beta-blocking agents were commonly used in the treatment of coronary heart disease, primarily for the symptomatic releif of angina pectoris. Because of indications that beta-blockers would be beneficial, a number of clinical trials were carried out. Several of these studies showed trends favoring the use of beta-blockers, however because of small sample size and other limitations in design and analysis, the results were inconclusive. Based on these studies, the NHLBI decided that a study of sufficient size would be needed to address the question of the benefits of beta-blockers.
When you visit a Mozilla website, sometimes you'll see a pop-up asking you to participate in a survey. The only third-party that Mozilla ever uses for surveys is Alchemer (formerly SurveyGizmo), which has been vetted by our legal and privacy teams. The Firefox pop-up blocker doesn't block these pop-ups.
Using a Chrome device at work or school: You can't change this setting yourself, but your network administrator can set up the pop-up blocker for you. Learn how to use a managed Chrome device.
Because pop-up blocking software often gets installed as part of a suite of other tools, your computer may have a pop-up blocker enabled without your knowledge. Many web browsers and add-on tools can enable/disable pop-up windows, such as:
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