The Development of Cerebral Venous Thrombosis after Tadalafil Ingestion in a Patient with Antiphospholipid Syndrome.

We report a case of cerebral venous thrombosis related to the ingestion of tadalafil. A 45-year-old man presented with posterior headache and was diagnosed with tension headache. Five days later, he was transported to our hospital via ambulance due to a tonic-clonic seizure.