acne
"One day in, and I instantly broke out. I've had clear skin for about a year, up until starting the pill. Each day I took the pill I got another red inflamed pimple. Nothing was helping, and it was making me feel uncomfortable. I read that if the acne was to persist it could be up to 3 months before it went away. I stopped taking the pills after 9 days, and almost instantly the redness subsided. It's been 3 days since stopping the pill and my face is more than halfway back to normal. 

On the other hand, I didn't gain any weight or adopt any mood swings, or bleed - but I was only on it for a week."