Sexually Transmitted Diseases are caused by the microorganisms that live on human skin or in their body fluids such as blood, semen, vaginal fluids. These microorganisms when passed from an infected person to a healthy person can make that healthy person sick. The sources of entry of these microorganisms are via skin, blood, body fluids through sexual intercourse involving mouth, vagina, anal, open sores, wounds or cuts. Signs and symptoms of sexually transmitted infections include skin rashes, burning sensation during urination, genital ulcers, and discharges from penis and vagina and in females most common sign is the abdominal pain. Types of STDs are: Chlamydia, Syphilis, Gonorrhea, Hepatitis and Human Immunodeficiency Virus (HIV), Human Papilloma virus, cancroid, Trichomonas’s, Herpes, Scabies, Bacterial Vaginosis, Pelvic Inflammatory Diseases.