T44.6

Clinical Causes: Accidental overdose of alpha-adrenoreceptor antagonists Intentional overdose in cases of self-harm Adverse reactions due to hypersensitivity or allergy Incorrect medication dosing or administration errors Drug interactions leading to increased sensitivity or toxicity Use of expired or contaminated medication

Key Symptoms: Dizziness or lightheadedness, especially when standing up Low blood pressure (hypotension) Feeling tired or weak Rapid heart rate (tachycardia) Nausea or vomiting Blurred vision Confusion or difficulty concentrating Fainting or loss of consciousness in severe cases

Diagnosis Path: Diagnosing poisoning or adverse effects related to alpha-adrenoreceptor antagonists typically involves a thorough medical history and physical examination. Healthcare providers may review medication usage, dosages, and timing to identify any recent overdoses or errors. Laboratory tests, such as blood tests, can determine the presence of the medication in the bloodstream and assess organ function. Blood pressure monitoring and ECG may also be employed to evaluate cardiovascular effects. In cases of suspected overdose, prompt medical assessment is vital to initiate appropriate intervention.

Treatment Protocols: Treatment strategies focus on managing symptoms and preventing complications. Immediate steps may include discontinuing the medication and monitoring vital signs. In cases of overdose, healthcare providers might employ activated charcoal to limit absorption if the patient presents soon after ingestion. Intravenous fluids can be administered to manage low blood pressure, and medications may be used to stabilize heart rate and blood pressure. Severe cases of toxicity may require more intensive interventions, such as vasopressors or advanced supportive care. Long-term management involves ensuring correct medication use, patient education, and close monitoring to prevent recurrence.