What is the definition or description of: beta blocker overdose?

Many symptoms: Beta blockers basically block specific receptors in your body from responding to adrenaline. The most common effects of taking too much beta blocker is a slow heart rate but it people with other heart disease can also cause heart failure. In people with asthma or COPD, difficulty breathing can occur. Other issues include low blood sugar, high potassium and in extreme cases coma or seizures.