Sexually Transmitted Diseases (STDs)

STDs, also called sexually transmitted infections (STIs), are infections that are passed from one person to another through sexual contact. The contact is usually vaginal, oral, or anal sex. But sometimes they can spread through other intimate physical contact, such as skin-to-skin.

STDs can be caused by bacteria, viruses and parasites.

Some of the most common STDs include the following:

CT (chlamydia trachomatis): In women, CT can infect the cervix, rectum, or throat. In men, the urethra, rectum, or throat can be infected.

Gonorrhea: Can infect women and men, in the same areas as CT.

HPV (human papilloma virus): Causes warts, mainly in the genital or rectal areas of both men and women.

HSV (herpes simplex virus): Causes recurring outbreaks of small, painful, fluid-filled blisters on the genitals in both women and men.

MG (Mycoplasma genitalium): In women, the vagina, womb (uterus) and fallopian tubes, and urethra may become infected; in men, MG infects the urethra and epididymis (tube that carries sperm).

Trich (trichomoniasis): In women, trich usually infects the lower genital tract (vulva, vagina, cervix, urethra). In men, the urethra is commonly infected.

In addition, two common conditions that are usually caused by an STD are bacterial vaginosis (BV) and pelvic inflammatory disease (PID).

MicroGenDX tests used in diagnosing STDs

An STD test may be done in the clinic and sent off to a lab, or you can do an at-home test. An evaluation and culture (growing microbes from your sample in a lab) are often used to diagnose an STD. However, standard cultures may come back negative even when you actually do have this infection, and that means it won’t be treated, and some STDs are difficult to culture.

In contrast to a standard culture, a MicroGenDX test detects the DNA of all microbes in your sample, along with how much of each is present, and uses that information to identify the bacteria in your infection and the drugs that can best treat it. It is important to know that not all antibiotics work for all bacteria, and some even work differently in different areas of the body. Your doctor should consult the “antimicrobials for consideration” chart on your MicroGenDX report to decide what antibiotic is right for you.

Medical specialties treating STDs

An STD can be treated by a primary care physician or infectious disease specialist. Depending on the infection, it can also be treated by a urologist or an OB/GYN.

How STDs are treated

If an STD is caused by a bacterial infection, it will be treated by one or more antibiotics. If the STD is caused by a fungus (“yeast” infection), it may be treated with antibiotics or an antifungal topical cream or ointment. If it is caused by a virus, one or more different types of drugs may be tried. It is important to complete the full course of medication when it is prescribed, even if symptoms begin to clear up before you are finished.

Some strains of the bacterium that causes a particular STD can develop resistance to specific antibiotics, so that they cannot be effectively treated with those antibiotics. This is why all MicroGenDX diagnostic tests include detection of antibiotic resistance genes in your sample, and then provide alternative antibiotics for your doctor to consider prescribing to you.

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