I am a 34 year old woman. I have never had a problem with acne or any type of pimples on my face, however, after the birth of my third child 2 years ago I have bad skin. My face is constantly greasy and I get white heads all over my fourhead and chin constantly. I also have a wierd rash like bumps all over my fourhead that will not go away. My physician put me on three differenty types of antibiotics, retin A and nothing has even come close to clearing it up. What would make somone all of the sudden develop such bad skin if they never had bad skin before. I try everything, from washing my face, using acne creams, acne washes, etc, but nothing stops the oil or the pimples. Help.