Acne comes in different forms and blemishes come in various sizes. Whether you’re fighting cystic acne that forms deep down in your pores due to your hormones raging out of control. People of all ages are affected by occasional breakouts and chronic acne plagues. The main causes of acne include clogged pores, bacteria, excess oil production, and dead skin. Other factors, such as hormones, diet, stress, and certain medications, such as corticosteroids, androgens, birth control pills and lithium, can also worsen acne.