Coumachlor
Coumachlor is a first-generation anticoagulant rodenticide that functions by inhibiting the formation of prothrombin and thus impeding blood coagulation, which can lead to death by internal bleeding[5]. It is one of the poisonous ingredients found in certain products used to kill rats and mice, and it is classified as a blood thinner[2].
In cases of human poisoning following ingestion, coumachlor disrupts clotting factors at lower doses and can cause hemorrhages at higher doses[3]. Symptoms of anticoagulant rodenticide poisoning, which may include coumachlor, can range from blood in the urine, bloody stools, and bruising under the skin to more severe effects such as confusion or altered mental status due to bleeding in the brain, low blood pressure, nosebleeds, pale skin, shock, and vomiting blood[2].
If someone is suspected of having ingested coumachlor or any other anticoagulant rodenticide, it is crucial not to induce vomiting unless instructed by a poison control center or healthcare professional. Instead, the affected individual should be taken to the emergency room where they may receive various treatments including airway and breathing support, blood transfusions, chest x-rays, ECG, endoscopy, IV fluids, medications to treat symptoms, activated charcoal, laxatives, and possibly an antidote such as vitamin K to reverse the effects of the poison[2].
The prognosis following anticoagulant rodenticide poisoning, including coumachlor, can be serious, with death potentially occurring up to two weeks after the poisoning due to bleeding. However, with prompt and appropriate treatment, serious complications can often be prevented. Recovery may be prolonged if vital organs have been damaged due to blood loss[2].
Coumachlor is also recognized as a marine pollutant and is harmful to fish, indicating its potential environmental impact[7][10]. Safety data sheets and other resources provide information on handling, storage, and disposal to minimize risks associated with the compound[7][10].
Citations:
[1] https://www.mayoclinic.org/drugs-supplements/nadolol-oral-route/side-effects/drg-20071105
[2] https://medlineplus.gov/ency/article/002595.htm
[3] https://pubchem.ncbi.nlm.nih.gov/compound/Coumachlor
[4] https://www.sigmaaldrich.com/US/en/product/aldrich/189219
[5] https://en.wikipedia.org/wiki/Coumachlor
[6] http://sitem.herts.ac.uk/aeru/ppdb/en/Reports/179.htm
[7] https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?brand=ALDRICH&country=US&language=en&productNumber=189219
[8] https://www.sciencedirect.com/topics/chemistry/coumachlor
[9] https://www.accustandard.com/prod0008846.html
[10] https://www.cpachem.com/msds?dnl=sd_-_Coumachlor_%5BCAS_81-82-3%5D_%28SB31980%29_%28EU%29.pdf&num=SB31980
[11] https://www.medkoo.com/products/25126
[12] https://cymitquimica.com/products/TR-C725055/95271-89-9/coumachlor/
[13] https://www.targetmol.com/compound/Coumachlor
[14] https://www.haz-map.com/Agents/4524
[15] https://aopwiki.org/stressors/196
[16] https://webbook.nist.gov/cgi/inchi?ID=C81823&Mask=200