Actinic purpura kwenzeka xa igazi livuza kwidermis yolusu. Oku kwenzeka ngenxa yokuba ulusu lubhitya kwaye nemithambo yegazi iba buthathaka, ngakumbi kubantu abadala abakhe babe sesichengeni selanga kakhulu. Actinic purpura results from the extravasation of blood into the dermis. This phenomenon is due to the skin atrophy and fragility of the blood vessels in elderly individuals, which is exacerbated by chronic sun exposure.
○ Unyango
Uninzi lwe-purpura luyanyamalala malunga neentsuku ze-7. Ukuba i-purpura iphinda ibuyele ngaphandle kwesizathu esicacileyo, abantu kufuneka babone ugqirha kwaye kwenziwe uvavanyo lwegazi ukujonga ukuphazamiseka kwegazi.