Fact sheets Lupus Immune thrombocytopenic purpura Acromegaly Primary biliary cholangitis Chronic inflammatory demyelinating polyneuropathy Castleman disease Fabry disease Bullous pemphigoid Thrombotic thrombocytopenic purpura Cushing syndrome See more Polycythemia vera on the forum What is the most frustrating or difficult... See the forum Polycythemia vera The medication for Polycythemia vera drug Hydrea Learn more drug Aggrenox Learn more drug Alnox Learn more drug Exaprin Learn more See more medications