ical ▁cort is one ▁cre ams . ▁More ▁severe ▁er u ptions ▁usually ▁clear ▁up ▁after ▁treatment ▁for ▁one ▁to ▁three ▁months ▁with ▁Acc ut ane ▁or ▁t et racy cl ine . ▁If ▁these ▁fail ▁or ▁the ▁out break ▁is ▁severe , ▁P U VA ▁phot other apy ▁treat ments , ▁ant if ung al ▁medic ation ▁and ▁cort is one ▁in jections ▁are ▁alternatives . ▁ ▁Some ▁research ▁has ▁suggested ▁a ▁correlation ▁of ▁Gro ver ' s ▁disease ▁with ▁mer cur y ▁to x icity ▁in ▁which ▁case ▁D imer capt os u cc in ic ▁acid ▁might ▁help . ▁ ▁Ep ide mi ology ▁The ▁pre val ence ▁and ▁inc idence ▁of ▁Gro ver ' s ▁disease ▁have ▁not ▁been ▁firm ly ▁established . ▁In ▁a ▁study ▁from ▁Switzerland , ▁Gro ver ' s ▁disease ▁was ▁diagn osed ▁in ▁just ▁ 2 4 ▁of ▁more ▁than ▁ 3 0 , 0 0 0 ▁skin ▁bi ops ies ▁[ 4 ]. ▁Gro ver ' s ▁disease ▁is ▁mainly ▁seen ▁in ▁males ▁over ▁the ▁age ▁of ▁forty . ▁ ▁Gro ver ' s ▁disease ▁affect s ▁chief ly ▁white ▁adult s ▁in ▁the ▁fifth ▁de cade ▁or ▁later , ▁and ▁appears ▁to ▁be ▁around ▁ 1 . 6 ▁to ▁ 2 . 1 ▁times ▁more ▁common ▁in ▁men ▁than ▁in ▁women . ▁Gro ver ' s ▁disease ▁appears ▁less ▁commonly ▁in ▁dark er - sk inned ▁individuals . ▁ ▁History ▁This ▁condition ▁was ▁first ▁reported ▁in ▁ 1 9 7 5 ▁by