Rodenticide anticoagulant

Rodenticide anticoagulant poisoning is a toxic dose of a rodenticide (rodent killer) which contains an anticoagulant (blood thinner).

Poisonous Ingredient 

  • Warfarin  
  • 2-pivaloyl-1,3-indandione  
  • 2-iso-valeryl-1,3-indandione  
  • Difenacoum  
  • Chlorophacinone  
  • Coumachlor  
  • Diphacinane  
  • Brodifacoum

Note: This list may not be all inclusive.

Where Found 

  • Some rodenticides  
  • Brodifacaum (D-con Mouse Prufe II, Talon)  
  • Diphacinane (Ramik, Diphacin)

Note: This list may not be all inclusive.


  • Body as a whole       o Blood in the urine       o Unusual bruising or bleeding  
  • Gastrointestinal       o Vomiting blood       o Bloody stools  
  • Cardiovascular       o Low Blood pressure       o Shock  
  • Central nervous system       o Intracranial hemorrhage

Home Treatment 
Do NOT induce Vomiting unless instructed to do so by Poison Control or by a physician.

Before Calling Emergency 
Determine the following information:

  • Patient’s age, weight, and condition  
  • The name of the product (ingredients and strengths if known)  
  • When it was swallowed  
  • The amount swallowed

Poison Control, or a local emergency number 
Call Poison Control or your local emergency number - they will instruct you if it is necessary to take the patient to the hospital. See Poison Control centers for telephone numbers and addresses. Take the container with you to the emergency room.

What to expect at the emergency room 
Some or all of the following procedures may be performed:

  • Antidote may be given  
  • Blood transfusions may be administered  
  • Vital signs (blood pressure, pulse) are monitored

Expectations (prognosis) 
Death may occur as late as 2 weeks after the poisoning. However, adequate treatment usually prevents any serious complications.

Johns Hopkins patient information

Last revised: December 5, 2012
by David A. Scott, M.D.

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All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.