Of these 8 infections, 4 are currently curable: syphilis, gonorrhoea, chlamydia and trichomoniasis. The other 4 are viral infections which are incurable: hepatitis B, herpes simplex virus (HSV or herpes), HIV, and human papillomavirus (HPV).

What's the worst STD you can have?

The most dangerous viral STD is human immunodeficiency virus (HIV), which leads to AIDS. Other incurable viral STDs include human papilloma virus (HPV), hepatitis B and genital herpes.

Which type of STD is not curable?

The List of Incurable STDs is Thankfully Short. There are four untreatable STDs: Hepatitis B, herpes, HIV (human immunodeficiency syndrome), and HPV (human papillomavirus). All are caused by viruses. Two of them — hepatitis B and HIV — can also be transmitted by sharing intravenous drugs.