T45.512

Clinical Causes: Intentionally consuming an excessive dose of anticoagulant medication in an act of self-harm or suicidal attempt. Misuse or accidental overdose of prescribed anticoagulants due to misunderstanding dosing instructions. Attempted overdose on blood-thinning medications such as warfarin, racumar, or newer agents like rivaroxaban and apixaban. Psychological factors or mental health disorders that contribute to suicidal behavior involving overdose of medications. Lack of proper medical supervision leading to overdose or misuse of anticoagulant drugs.

Key Symptoms: Unexplained or excessive bleeding from cuts or gums. Blood in urine or stool, indicating internal bleeding. Unusual bruising or large hematomas appearing without significant injury. Weakness, dizziness, or fainting due to blood loss. Signs of anemia, such as pallor and fatigue. Symptoms of internal bleeding, including abdominal pain, headache, or vomiting blood.

Diagnosis Path: Healthcare providers diagnose poisoning by anticoagulants through a combination of medical history, physical examination, and laboratory tests. Blood tests such as prothrombin time (PT), international normalized ratio (INR), and specific drug levels help determine the extent of anticoagulation and bleeding risk. Additionally, toxicology screens can identify the presence and amount of anticoagulants in the bloodstream. A thorough mental health assessment is also essential to evaluate the intent behind the poisoning, especially in cases of self-harm.

Treatment Protocols: Treatment depends on the severity of poisoning and the specific anticoagulant involved. Common approaches include: - Immediate medical assessment and stabilization of the patient. - Discontinuation of the anticoagulant medication. - Administration of specific antidotes, such as vitamin K for warfarin or activated charcoal if ingestion was recent. - Replacement therapies like fresh frozen plasma or prothrombin complex concentrates to reverse anticoagulation effects during severe bleeding episodes. - Supportive care addressing bleeding and metabolic imbalances. - Mental health interventions and counseling to address underlying psychological issues and prevent future self-harm behaviors. Hospital monitoring and follow-up are critical, as the effects of overdose may persist and require ongoing management.