Option 2- I do not think antibiotics are the way to go. There are many harmful strains of bacteria that have developed resistance to antibiotics because antibiotics have been misused and over prescribed. Antibiotics are very hard on your kidneys. My cousin was on and off them for years due to kidney stones and infections, and went into full blown kidney failure. Almost everyon I know that took antibiotics for acne did not have success. Then they go through more antibiotics, damaging their kidneys. With benzoyl peroxide, I would HAVE to recommend Dan's BP. I am allergic to BP, but I did the regimen earlier this year and had 100% clear skin. The BP is amazing, but it is VERY drying. It's questioned whether or not it goes into your bloodstream, but I don't know. Even though I had to stop using it (got a rash everywhere I applied it) it is really a great product and worth your money.
Overall, I don't think there is really any regimen that you do ONE time and then you will never have acne again. I was on accutane in 2009, 20 mg day for 3 months and my acne came back. Granted I wasn't on a high dose nor on it for a long time, but still....I chose the LAST resort and it still wasn't cured. So if you take birth control, you have to give it time to work. And when you go off it, you will need to be aware of the possiblitiy of breaking out. If your on antibiotics, be prepared for all the other infections you get (like yeast infections), stomach problems, and kidney issues that are side effects. With BP, your skin will need to get used to it so start it out slow. I think all these things you would need to continually do to keep clear skin. Know what I ,mean?
anyways, you can always message me if you have questions!