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Few hormonal contraceptive pills are known to aggravate acne. You can consider stopping with it if it has affected acne badly. Since you have started with taking the pills already, you can consider continuing with it and discuss with your treating gynecologist about getting started on suitable alternative low dosage pills to have protection from pregnancy as well as control the side effects. Use additional protection to prevent pregnancy if having intercourse during the switchover of the contraceptive pills.
Take care.