This is an infection caused by bacterium chlamydia trachomatis. Most people who have this infection often  show no symptoms which is why its very important to get tested regularly if you have multiple sexual partners. Although if you do show symptoms they are, pain whilst peeing, unusual discharge from vagina or penis, for women bleeding after sex and for men pain and swelling  in the testes. Chlamydia can be treated with anti-biotics but if left untreated it can cause men unable to make sperm

syphilis is an infection caused by bacterium pallidum (this is a type of bacteria). There are 4 stages and the symptoms vary depending on each stage. The common symptoms are small sores (ulcers) around the genitals that are usually painless, sores around the mouth, a rash n the palm of your hands, white patches in your mouth, flu like symptoms like a temperature, swollen glands and hair loss. Go to your sexual health clinic or GP if you or your sexual partners have these symptoms. Some complications of syphilis is if its not treated it can cause heart problems, seizures, nerve problems and problems with skin, bones, testicles and liver.

The bacteria that causes gonorrhoea is  found in discharge from the penis and in vaginal fluid. The bacteria can infect the womb, the urethra, the rectum, eyes and throat. It's important to get tested and treated before your baby is born because a mother can pass it on to her child. Without treatment it can cause permanent blindness to the baby. Symptoms of gonorrhoea is think green or yellow discharge, pain whilst peeing and bleeding in between periods. Gonorrhoea normally is  treated with one  antibiotic injection normally in the bum or thigh.  if it works most of your symptoms should improve within a few days.