STD List – Different Types of Bacterial STDs

STD ListThere are 3 different kinds of STDs: bacterial, viral, and parasitic.

Bacterial STDs are curable through treatment with antibiotics. Curable, that is, as long as you see a health-care provider, get tested and treated, follow through on all the medication, avoid sexual contact until cured, and make sure your sexual partner(s) get tested and treatment as well.

Like viral STDs, bacterial STDs/STIs often give no warning signs or symptoms. This means you can get infected and infect a sexual partner without knowing it and serious complications which can cause irreversible damage can progress silently before you ever recognize a problem.

Complications of a bacterial STD can include pelvic inflammatory disease, urethritis, infertility, and ectopic pregnancy. The longer that a bacterial STD is left untreated, the more damage it can do. Medication will stop the infection, but it will not repair any permanent damage done before treatment begins.

Bacterial STD List:


Chancroid is caused by a type of bacteria called Haemophilus ducreyi.  It is almost always spread through sexual contact.

Uncircumcised men are at much higher risk than circumcised men for getting chancroid from an infected partner.

Most people in the U.S. who are diagnosed with chancroid have traveled outside the country to areas where the disease is known to occur more often.


Chlamydia is a disease caused by the bacteria Chlamydia trachomatis.

It is most commonly sexually transmitted. Chlamydia can infect the penis, vagina, cervix, anus, urethra, eye, or throat.

Gonorrhea (‘The Clap’)

Gonorrhea is caused by the bacteria Neisseria gonorrhoeae.

Anyone who has any type of sex can catch gonorrhea. The infection can be spread by contact with the mouth, vagina, penis, or anus.

Lymphogranuloma Venereum (LGV)

Lymphogranuloma Venereum (LGV) is a chronic (long-term) infection of the lymphatic system caused by three different types of the bacterium Chlamydia trachomatis.

The bacteria spreads through sexual contact. The infection is not caused by the same bacteria that causes genital chlamydia.

Mycoplasma Genitalium

Mycoplasma Genitalium is a bacterium that can infect the urethra, cervix, throat and anus.

Mycoplasma genitalium is often associated with bacterial vaginosis (BV) and pelvic inflammatory disease (PID) in women, and is a common cause of non-gonococcal urethritis in men. It has only recently been identified as a sexually transmitted infection (STI).

It is spread through vaginal, anal or oral sex. It can also be transmitted by sex toys and hands and fingers if they have been in contact with an infected person’s genitals or anus.

Nongonococcal Urethritis (NGU)

NGU (Nongonococcal Urethritis) is an infection of the urethra caused by pathogens (germs) other than gonorrhea. Pathogens that can cause NGU include but are not limited to: Chlamydia (most common), Herpes simplex virus (rare), & Mycoplasma genitalium.

Pelvic Inflammatory Disease (PID)

Pelvic Inflammatory Disease (PID) occurs when bacteria moves from the vagina or cervix into the uterus, fallopian tubes, ovaries, or pelvis.

Most cases of PID are due to the bacteria that causes chlamydia and gonorrhea.


Syphilis is a sexually transmitted infection (STI) caused by the bacterium Treponema pallidum. It has often been called ‘the great imitator’ because so many of the signs and symptoms are indistinguishable from those of other diseases.

Syphilis is passed from person to person through direct contact with a syphilis sore through vaginal, anal, or oral sex.

Vaginitis (BV, Yeast, Etc.) – Can also be viral and parasitic

Vaginitis can affect women of all ages and is extremely common.

It can be caused by bacteria, yeasts, viruses, and other parasites. Some sexually transmitted infections (STIs) can also cause vaginitis, as can various chemicals found in bubble baths, soaps, and perfumes. Environmental factors such as poor hygiene and allergens may also cause this condition.

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