Symptoms: when taken for a long period in doses of 400-800 units / day. (1 mg = 1.21 ME) - blurred vision, dizziness, headache, nausea, fatigue, diarrhea, gastralgia, asthenia; when taking more than 800 units / day. for a prolonged period - an increased risk of bleeding in patients with hypovitaminosis K, a disorder of thyroid hormone metabolism, a sexual function disorder, thrombophlebitis, thromboembolism, necrotic colitis, sepsis, hepatomegaly, hyperbilirubinemia, renal failure, hemorrhagic stroke, hemorrhagic stroke, ascites .
Treatment: symptomatic, withdrawal of the drug, the appointment of glucocorticosteroids.