كثرة الحمر الحقيقية: الفرق بين النسختين

معظم المصابين بالمرض لا تظهر عليهم أية أعراض.<ref>[Polycythemia vera EBSCO database] verified by [[URAC]]; accessed from [[Mount Sinai Hospital, New York]]</ref> وقد يصاب المريض بالنوع من الحكة العامة خصوصًا بعد أخذ حمام (بارد أو ساخن)<ref>{{cite journal | author = Saini KS, Patnaik MM, Tefferi A | title = Polycythemia vera-associated pruritus and its management | journal = Eur J Clin Invest | volume = 40 | issue = 9 | pages = 828–34 | year = 2010 | pmid = 20597963 | doi = 10.1111/j.1365-2362.2010.02334.x}}</ref> وقد يكون ذلك بسبب إفراز [[هستامين|الهستامين]]<ref>{{cite journal | author = Steinman H, Kobza-Black A, Lotti T, Brunetti L, Panconesi E, Greaves M | title = Polycythaemia rubra vera and water-induced pruritus: blood histamine levels and cutaneous fibrinolytic activity before and after water challenge | journal = Br J Dermatol | volume = 116 | issue = 3 | pages = 329–33 | year = 1987 | pmid = 3567071 | doi = 10.1111/j.1365-2133.1987.tb05846.x}}</ref><ref>{{cite journal | author = Jackson N, Burt D, Crocker J, Boughton B | title = Skin mast cells in polycythaemia vera: relationship to the pathogenesis and treatment of pruritus | journal = Br J Dermatol | volume = 116 | issue = 1 | pages = 21–9 | year = 1987 | pmid = 3814512 | doi = 10.1111/j.1365-2133.1987.tb05787.x}}</ref> أو إنتاج [[بروستاغلاندين|البروستاغلاندين]].<ref>{{cite journal | author = Fjellner B, Hägermark O | title = Pruritus in polycythemia vera: treatment with aspirin and possibility of platelet involvement | journal = Acta Derm Venereol | volume = 59 | issue = 6 | pages = 505–12 | year = 1979 | pmid = 94209}}</ref>