What is Pelvic Inflammatory Disease (PID)? Causes, symptoms, & treatment
Here’s what to know about PID
May is Pelvic Pain Awareness Month—and this year, we’re creating space to discuss a reproductive health condition that’s still a bit of a medical mystery: Pelvic Inflammatory Disease (PID).
PID is pretty common, affecting over a million people AFAB stands for “assigned female at birth.” in the U.S. per year.1 It’s one of the conditions that your gynecologist may screen for at your next annual visit, usually by asking you a series of questions—but there isn’t one set way to diagnose it. In fact, the diagnostic criteria are mainly based on symptoms that you report to your provider (as opposed to the lab tests used to diagnose STIs, for instance).
One of the mainstays of PID is pelvic pain. We’re talking more than the average set of cramps that come along with your period once a month: PID pain is mild to severe and can be felt from your pelvic region all the way up to your upper abdomen (usually on the right side, but it can be felt on both sides, too). It may be dull, achy, stabbing, or bruise-like, and the area may be tender to the touch.
Pelvic pain associated with PID also usually comes with other signs and symptoms, which we’ll discuss momentarily. The name of the game today is to understand what exactly PID is, the causes of PID, and potential treatments. Here we go.
What is PID – and is it serious?
Again, PID = Pelvic Inflammatory Disease. It’s both a diagnosis and a set of symptoms that are thought to encompass it (more on those signs and symptoms later). The basic idea around PID is that “bad” bacteria enter through the vagina and move upwards into the cervix, then into the uterus, ovaries, and/or fallopian tubes.
Those last three are core parts of the reproductive system and, as such, they’re super sensitive to infection or inflammation. Bacteria that successfully invades the reproductive system can cause local inflammatory reactions, even leading to things like the formation of abscesses: Collections of pus and infective material that cause pain and damage to the surrounding tissues.
In other words: Very, very bad.
In many cases, PID is the end result of an untreated vaginal infection.2
The most common ones that can lead to PID are:
- Bacterial vaginosis (BV)
To review, gonorrhea and chlamydia are STIs, meaning that they are spread via unprotected sexual contact. Gonorrhea and chlamydia are most commonly found in the throat, rectum, urethra, and cervix. FYI, sexual contact means any form of sexual contact—including oral, vaginal, and anal sex.
Not only can PID be extremely painful for anywhere from days to weeks, but it also can have a long-term impact on your health and reproductive abilities. Left untreated, PID can lead to chronic pelvic pain, ectopic pregnancy, or even infertility. It’s estimated that 1 in 10 AFAB stands for “assigned female at birth.” with PID will eventually become infertile.
Those stats sound scary, but we’re not here to freak you out: What’s most important is that you know what PID looks and feels like so you feel empowered to reach out to a healthcare provider if you think something might be wrong. And thankfully, PID is treatable, especially when caught early (more on that below).
What causes PID?
Like we mentioned earlier, PID is caused by bad bacteria that get past the acidic vaginal canal (your repro system’s first line of defense) and make their way into the reproductive system—through your cervix, into your uterus, and potentially all the way up to your fallopian tubes and ovaries.
Those bacteria most often belong to STIs like gonorrhea and chlamydia. However, other infections (like bacterial vaginosis) can also lead to PID.
Who’s at risk for PID?
Technically speaking, anyone with a vagina can get PID. There are, however, a few factors that put certain people at a higher risk:
- Being sexually active
- Having multiple sex partners
- Having a sex partner that has multiple other partners
- Having been diagnosed with PID in the past
- Having an untreated or undiagnosed STI
- IUD users (Note: This risk is typically related to IUD insertion and is higher within the first three weeks after the IUD is placed…more data pending.)
- Douching (Note: Douching often gets rid of the “good” bacteria and, in worst-case scenarios, can actually push the “bad” bacteria up there! For this reason, douching isn’t recommended by ACOG stands for the American College of Obstetricians and Gynecologists (a professional membership organization for obstetrician–gynecologists).. Plus, your vagina is self-cleaning: If you just want to wash your labia, try using a gynecologist-recommended cleanser and rinse thoroughly with warm water—but don’t put any soap INSIDE your vag!)
Keep in mind that you can get PID without being sexually active—bacterial vaginosis, for instance, can lead to PID in severe cases. So no matter what your sex life is like, always talk to a healthcare provider if you notice unusual signs or symptoms (especially the ones outlined below).
Symptoms of pelvic inflammatory disease
The symptoms of PID can vary from one person to another. In general, PID symptoms include:
- Pain in the pelvic region, potentially extending all the way from the upper stomach to the lower pelvis
- Unusual vaginal discharge
- Vaginal odor that is fishy or foul-smelling
- Painful urination
- Abnormal uterine bleeding (i.e. spotting in between periods, bleeding after sex)
- Flu-like symptoms such as fever, chills, nausea, or vomiting
- Pain with sex
Out of all possible PID symptoms, pelvic pain is generally the most common.
How to treat PID
The best way to treat PID is to treat the underlying infection that caused it. For most infections, including STIs, this is done via a course of antibiotics. However, if PID has progressed to later stages or if there are any abscesses or tissue scarring, a more invasive treatment may be required.
One sign that things could be going downhill (and you need to seek treatment ASAP) is if your pelvic pain is suddenly accompanied by a high fever, nausea, vomiting, fainting, or loss of consciousness. Any of these mean you should get to the ER or urgent care, stat. It should go without saying, but if you’re ever concerned about your health: Contact a health professional.
Something else that often is forgotten with PID? It might be uncomfortable, but you have to treat it like an STI—meaning, you should inform any sexual partners who might be at risk. Let them know your diagnosis and how to get tested. While it might feel like the worst possible conversation to have, all parties involved will be grateful you did it in the long run.
PID prevention & additional resources
One mainstay of PID prevention is practicing safe sex habits. Use a barrier method of birth control (like condoms), get tested frequently (especially before initiating sexual contact with a new partner), and don’t be scared to initiate that awkward conversation with partners about their sexual history—both past and current. STI prevention is PID prevention.
It’s also important to know that, while STIs are the most common cause of PID, they aren’t the only cause. Many kinds of infections that affect the vaginal tract can lead to PID. To prevent them, firstly, PLEASE do not douche. Everyone in the medical community agrees that it only causes trouble and can lead to serious long-term complications.
If you’re feeling any weird symptoms, like pain or burning when you pee, spotting blood when not on your menstrual period, or pain, swelling, or discomfort in your pelvic region, speak to a licensed healthcare provider. In the interim, click here for a short and sweet factsheet from the CDC.
PID stands for Pelvic Inflammatory Disease. It’s a set of signs and symptoms that are the result of bacteria spreading up into the female reproductive tract. The most common cause of PID is an untreated STI, but it can also be caused by other, not-necessarily-sexually-transmitted infections like bacterial vaginosis (BV).
Pelvic pain is one of the main symptoms of PID—but it can also involve painful urination, abnormal vaginal discharge or odor, spotting, dyspareunia, and flu-like symptoms. The main way to treat PID is by treating the underlying infection and preventing further scarring or disease in the area.
One in ten people diagnosed with PID will go on to be infertile. The best way to prevent PID is to promote safe sexual habits, from using condoms to having frank conversations about safety with sexual partners. Also, no douching! For more information, always speak to a healthcare provider first.
This article is informational only and is not offered as medical advice, nor does it substitute for a consultation with your physician. If you have any gynecological/medical concerns or conditions, please consult your physician.
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References (Click to open/close)
When an untreated infection spreads into the uterus, fallopian tubes, or ovaries, pelvic inflammatory disease (PID) can occur.