Help Please !! high school picture day is wednesday..

okay so i had this little pimple on my forehead right in the middle squeezed picked at it it now looks like a red surrounding and a yellowish tint in the middle like a scab almost but not its been 2 days with it :( it hurts and is swollen my highschool yearbook pictures are on wedesday please help any tips for the weekend to get rid of this ?:( to reduce redness swelling and heal it assapp !!