Well if it's just one clean the area around a pimple and you should pop it out if it has head.use tissue don't do it with your fingers! be careful clean up with tissue .Then apply some benzoyl peroxide or sacylic acid. Wait until it dries out. After 8 hours or so. Put some ice to minimize the pore. Following day or after few days you can apply some lemon juice to get rid of scar . time of heal depends on personal hygiene
You can get rid of a pimple fast by applying ice cube indirectly to the pimple. The cold temperature will reduce the swelling. Also you can use spot treatments that contain benzoyl peroxide or salicylic acid. If the pimple is oozing you can pop it and do not press down. For more ways go to http://acne.about.com/od/treatmenttips/tp/GetRidOfPimplesFast.htm.