How Can A Painful Boil On The Labia Minora Be Treated?

i m 27,162cms,60kg,n i delivered a baby boy 2 yrs b4 through c section...i have a boil on my labia minora for past few days...its little pain ful wen i touch it... i got such boils on my labia majora a couple of months before,, then it fadded away itself.. i noticed tat i get such boils only after i work on my laptopo for long hours hlding it on my lap....wats the cause n remedy?..