Beta blocker overdose
About Beta blocker overdose
Beta blocker medications block the beta receptors and are used to treat several conditions, including heart disease and hypertension. Overdoses can be accidental or intentional and can be lethal if untreated. Common beta blocker medications include atenolol (Tenormin), sotalol (Betapace), carvedilol (Coreg), metoprolol (Lopressor), and propranolol (Inderal). Overdoses of these drugs are usually accidental in children and intentional in adults.Symptoms
Slow heart rate (bradycardia), low blood pressure, confusion, fainting, coma.Tests & Diagnostics
A history and physical exam will be performed. Lab and radiology tests are done to rule out other causes of the symptoms.Common tests: BHCG, Complete blood count (CBC), Comprehensive metabolic panel (CMP), CT Scan, EKG, Troponin, X-ray.
Conventional treatment summary
The blood pressure and breathing are supportive as aggressively as necessary. Some people require intubation and mechanical ventilation. Glucagon is given intravenously and may require very large doses to reverse the symptoms. Multiple medications such as glucagon, vasopressors, insulin and glucose may be needed to reverse the symptoms. For more information and help call your local poison center at 1-800-222-1222.Medical specialties
Medical Toxicology
This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Beta blocker overdose.