Sexually transmitted diseases (STDs), also known as sexually transmitted infections (STIs), are infections that are mainly spread through sexual contact, including vaginal, oral, or anal intercourse. They are caused by bacteria, viruses, or parasites and can affect the genital area, as well as other parts of the body in some cases.
Common STDs include syphilis, gonorrhea, chlamydia, herpes simplex virus (HSV), human papillomavirus (HPV), HIV/AIDS, and trichomoniasis. Symptoms may vary depending on the infection and can include genital sores or ulcers, unusual discharge, itching, burning during urination, pain during intercourse, and sometimes fever or body aches. However, some STDs may show no symptoms in the early stages.
STDs can lead to serious complications if left untreated, such as infertility, chronic pain, pregnancy complications, or long-term health problems. Some viral STDs, like HIV and herpes, have no permanent cure but can be controlled with treatment, while bacterial infections can often be cured with antibiotics.
Prevention includes safe sexual practices, using protection (condoms), regular screening, and early treatment of infections. Awareness and timely medical care are important to reduce transmission and complications.