T45.4

Clinical Causes: Accidental overdose of iron supplements, especially in children or individuals who take more than the recommended dose. Intentional overdose in suicide attempts or self-harm attempts involving excessive intake of iron medication. Adverse reactions to iron medications, including allergic responses or toxicity due to sensitive individual reactions. Underdosing of iron when the prescribed dose is not sufficient to treat iron deficiency, resulting in ongoing symptoms. Poor absorption of iron due to gastrointestinal conditions, leading to inadequate utilization despite proper dosing. Discontinuation or incorrect administration of iron therapy, resulting in subtherapeutic levels or toxicity when doses are mismanaged.

Key Symptoms: Gastrointestinal distress such as nausea, vomiting, and abdominal pain Constipation or diarrhea Dark-colored stools Fatigue and weakness due to anemia Dizziness or lightheadedness Tachycardia (rapid heartbeat) Signs of iron poisoning in severe cases, including confusion, lethargy, and in some instances, shock or organ damage Allergic reactions such as rash, itching, or swelling (rare but possible)

Diagnosis Path: Diagnosing issues related to iron poisoning or adverse effects involves a combination of medical history review, physical examination, and laboratory tests. Blood tests are conducted to measure serum iron levels, total iron-binding capacity (TIBC), ferritin levels, and blood cell counts to evaluate anemia or iron overload. In cases of suspected poisoning, blood samples are analyzed promptly to monitor iron levels and identify toxicity. Additional assessments may include gastrointestinal evaluations if malabsorption or related conditions are suspected.

Treatment Protocols: Managing poisoning by, adverse effects of, or underdosing of iron and its compounds depends on the severity and underlying cause. Treatment options include: - **Chelation therapy**: Use of medications like deferoxamine to bind excess iron and facilitate its removal from the body in cases of toxicity. - **Supportive care**: Hospitalization may be necessary for severe poisoning, including intravenous fluids, oxygen therapy, and monitoring of vital signs. - **Gastrointestinal decontamination**: In recent or acute overdose cases, methods such as gastric lavage or administration of activated charcoal may be employed. - **Correcting deficiency**: For underdosing, healthcare providers adjust the iron dosage to meet the patient’s needs, along with dietary recommendations to improve iron intake. - **Monitoring and follow-up**: Regular blood tests to track iron levels and hematologic parameters help ensure effective management and prevent recurrence.