Warfarin syndrome


Warfarin syndrome (medical condition): Various physical and other abnormalities that can result from the use of the drug Warfarin during the first trimester of pregnancy.


  • Nasal hypoplasia
  • Central nervous system abnormalities
  • Visual difficulties Seizures
  • Deafness
  • Mental retardation
  • Concentration difficulties
  • Learning difficulties
  • Cleft lip
  • Cranial nerve palsy
  • Hydrocephalus
  • Anencephaly
  • Mild intrauterine growth retardation


The phrase "signs of Warfarin syndrome" should, strictly speaking, refer only to those signs and symptoms of Warfarin syndrome that are not readily apparent to the patient. The word "symptoms of Warfarin syndrome" is the more general meaning; see symptoms of Warfarin syndrome. The signs and symptom information on this page attempts to provide a list of some possible signs and symptoms of Warfarin syndrome. This medical information about signs and symptoms for Warfarin syndrome has been gathered from various sources, may not be fully accurate, and may not be the full list of Warfarin syndrome signs or Warfarin syndrome symptoms. Furthermore, signs and symptoms of Warfarin syndrome may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Warfarin syndrome symptoms.