Sex-related diseases are the disease that can transfer from infected to a healthy person by sexual contact. Such as:
(i) Syphilis: Symptom- development of blisters on the urethral passage in male and female.
(ii) Gonorrhea: Symptom- urination with burning sensation.
(iii) Trichomoniasis: Symptom- secretion of white liquid from vaginal passage.
(iv) Genital Herpes: Symptom- extreme pain in the sex organs of males and females.