The office of dermatologists has increased visits by young people carring sexually transmitted diseases. In most cases, patients are turning to specialist very late when the infection is at an advanced stage of development when there are serious complications / eg. chronic pain, adhesions, infertility, damage to adjacent organs and many others. etc. / In these cases, treatment is more difficult and expensive. The main problem is that patseientite are not well acquainted with the nature, symptoms, modes of transmission and protection against sexually transmitted diseases. Therefore, we offer a brief overview of the most common sexually transmitted infection as possible - accessible language. I hope this information is useful for your health, your partner and your children.