- Acne Fulminans: Acne can take a turn for the worse called Acne Fulminans wherein pimples break open and ulcerate and are accompanied by fever, joint pain and muscular pains.
- Scarring: The eruptions of acne can disappear but leave behind visible scars. Sometimes, the scarring can be so extensive as to cause permanent distortion of the face.
Psychological effects:
- Chronic acne lowers the self esteem leading to anxiety, depression, social inhibition and even suicidal disposition.