birth control
"I've been on this pill over 2 years now, and I love it. This summer and last summer I had some random cystic acne though I am not sure it is related to the pill because other times my skin is perfectly clear. No weight change. Only problem is I haven't had a period in the 2 years I've taken this, not even spotting. My doctor says not to worry about it but I am considering switching because of it."