Many persons suffer from very severe acne and they have very large cyst all over their face, chest, neck and back. This form of acne is characteristic of Cystic acne as it is the harshest and the most painful form of acne. This form of the infection is very painful, and the infection cannot be cured overnight. Deep, inflamed breakouts develop on the face and/or other areas of the body. The blemishes themselves can become large; some may measure up to several centimeters across.

More: continued here