Know About Types Of STDs? Bacterial, Viral And Parasitic STDs Explained

STD - United States (on August 03, 2015 12:13 PM)

There are many different types of STDs (sexually transmitted diseases) that can be classified into three basic kinds; bacterial STDs, viral STDs and parasitic STDs. This means that all different types of Sexually transmitted diseases are either caused by bacteria, viruses or parasites.


To learn about the different types of STDs we will study about them according to these three categories; bacterial STDs, viral STDs and parasitic STDs.


Bacterial STDs:

Bacterial STDs are those STDs that are caused by a bacterial infection. The most common bacterial STDs are chlamydia, gonorrhea and syphilis.




Chlamydia also known as chlamydia bacteria infection is the most common STD in the United States with over 3 million victims each year. Chlamydia is very common among young women and most of its victims do not show any symptoms which is why it spreads easily through sexual contact be it anal, oral or vaginal. However, common symptoms of chlamydia are; feeling pain and a burning sensation while urination, discharge from the penis and vagina and pain in lower abdomen and testicles. Chlamydia can be successfully treated with the help of antibiotics.



Another common STD with over 3 million victims each year in the United States is gonorrhea. It is also called the clap STD and often infects a person at the same time with chlamydia. Common symptoms of gonorrhea are; feeling pain and a burning sensation while urination, discharge from the penis and vagina and pain in lower abdomen or pelvis in women. Gonorrhea can be successfully treated through antibiotics and a person can get rid off it within weeks, but, if untreated, gonorrhea can result in infertility.



Syphilis is another bacterial infection that spreads through sexual contact be it anal, oral or vaginal. It claims over 200, 000 victims each year in the United States. Symptoms of syphilis develop in four stages. The first set of symptoms are painless sore called chancre on the genitals, rectum, or mouth. The second stage symptoms of syphilis is a rash. Third stage syphilis has no symptoms and the fourth stage syphilis develops in the form of Neurosyphilis (brain damage), cardiovascular syphilis (heart damage) and gummatous. Syphilis can be easily treated with the help of penicillin.


Viral STDs:

Viral STDs often referred to as the four “H” are caused by viruses. These are HIV , HPV (genital warts), herpes, and hepatitis.




HIV or the human immunodeficiency virus spreads in humans mostly through sexual contact. It is a deadly virus as it damages the human immune system. Symptoms of the initial stages of HIV are fever, sore throat and fatigue until it develops into AIDS (acquired immunodeficiency syndrome). Symptoms of AIDS are weight loss, night sweats and repetitive infections. HIV has no cure, however, treatments can alleviate symptoms.


HPV (Genital Warts):

HPV or genital warts or human papillomavirus is a viral infection that spreads commonly through sexual contact. HPV causes strains that develop into warts on the skin and genitals. These warts are the primary symptoms of HPV. Since HPV has no cure its treatment focuses on the removal of warts because the HPV can further develop into cervical cancer. A vaccine for young boys and girls is available that can prevent HPV in them.



Herpes is a viral STD and has two types; genital herpes and cold sores. Herpes simplex virus causes genital herpes symptoms of which include painful and itchy sores on the genital area. These sores may develop into ulcers and scabs. Genital herpes has no cure and it lies dormant in the body for years. Medication for genital herpes can reduce the chances of it recurrence. On the other hand if the herpes simplex virus affects the lip area it results in cold sores. Symptoms of Cold sores are fluid-filled cuts or bubbles that can recur. Medication for cold sores can speed the healing of these cuts and bubbles and reduce recurrence.


Hepatitis B:

Hepatitis B also called HBV or Hep B is caused by the Hepatitis B virus that spreads easily through sexual contact. It affects over 3 million in the United States. Symptoms of Hepatitis B vary from person to person. Some of the symptoms of Hepatitis B are; yellowing of the eyes, pain in the abdomen, and dark yellow or yellowish red urine. In some chronic cases Hepatitis B can also cause liver failure and cancer. A vaccines is available that can prevent Hepatitis B and its treatment focuses on alleviating its symptoms.


Parasitic STDs:

Parasitic STDs are caused by parasites that commonly spread through sexual contact. These are; Trichomoniasis, Pubic Lice (Crabs) and Scabies.




Trichomoniasis also known as trich is caused by a protozoan parasite called Trichomonas vaginalis. It is a common parasitic STD in the United States and infects over 3 million people each year. Most men do not show any symptoms of trichomoniasis and its common symptoms are a smelly vaginal and penile discharge, painful urination and genital itching. Trichomoniasis is treated with one large dose of the antibiotic Flagyl and a person can get rid off it within weeks.


Pubic Lice (Crabs):

Pubic lice (crabs) std is called by a parasite scientifically known as Pthirus pubis. Pubic lice commonly spread among people through sexual contact in the United States and infest a person pubic hair region. Since these parasitic insects suck blood symptoms of pubic lice are itching, irritation and redness of the skin. Various over the counter shampoos and medicines are available that can be applied directly on the affected area to get rid off these insects.



Scabies also known as sarcoptic mange is caused by a mite called Sarcoptes scabiei that burrows in the skin. It is able to victimize approximately 3 million people in the United States each year and can spread through sexual contact. Symptoms of scabies are severe itching on the skin where the mite burrows. A person can get rid off scabies through medication which is available in the form of a lotion that is applied directly everywhere from the neck to the toes. This lotion can kill the mites as well as its eggs. Oral medication for scabies takes time to kill the insect.


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