Why does pelvic inflammatory disease cause pelvic pain?

Pelvic inflammatory disease is inflammation caused by infection in the upper reproductive tract. Irritated tissues can swell and become sensitive, producing aching, pressure, or sharper pain across the lower abdomen. Inflammation may also affect the supporting tissues around the uterus and tubes, while the pelvic floor can tighten in response to discomfort. This can make movement, sex, or urination more uncomfortable.

Pelvic pain may occur with unusual discharge, bleeding between periods or after sex, fever, painful sex, or burning when passing urine. Because many conditions can cause pelvic pain, the symptom does not by itself identify pelvic inflammatory disease.

Contact a clinician promptly if pelvic pain is new, persistent, or linked with discharge, bleeding, fever, or urinary symptoms. Keep a note of the pain's location, timing, severity, and triggers, and mention any chance of pregnancy. If treatment is prescribed, complete it as directed and ask whether a partner needs assessment. Avoid douching and do not rely on self-treatment to cover symptoms that may reflect an infection.

Seek urgent care for severe or worsening pain, fainting, vomiting, high fever, heavy bleeding, or pain when pregnancy is possible. Prompt assessment is also needed if you feel suddenly very unwell. Untreated pelvic inflammation can spread and may cause lasting problems, so persistent or recurrent pain should not be ignored even if it is manageable.

What could be causing my pelvic pain, and do I need infection testing? Could pregnancy or another pelvic condition change the assessment? If pelvic inflammatory disease is confirmed, what follow-up should I arrange if pain continues?