What does cystitis mean?
Cystitis is the medical term for inflammation of the urinary bladder, a condition most often caused by a bacterial infection that ascends from outside the body through the urethra. Its hallmark symptoms include a burning sensation during urination, an urgent need to pass water frequently, cloudy or strong-smelling urine, and discomfort in the lower abdomen. Although anyone can develop cystitis, it is considerably more common in women because of their shorter urethra. Most cases respond quickly to antibiotics, but recurrent or untreated infections can spread to the kidneys and become serious. The word also covers non-infectious forms, including interstitial cystitis — a chronic, poorly understood bladder condition — and inflammation triggered by radiation therapy or certain drugs. In everyday speech, particularly in Britain, people commonly say they have 'a touch of cystitis' for any uncomfortable urinary complaint, while clinicians reserve the term for confirmed bladder inflammation.
nounInflammation of the bladder, typically caused by a bacterial infection, producing symptoms such as painful or frequent urination.
- Inflammation of the urinary bladder, most commonly caused by bacterial infection (bacterial cystitis).
- Bladder inflammation arising from non-infectious causes, such as radiation damage, certain medications, or interstitial cystitis, a chronic condition of uncertain cause.
"She was prescribed antibiotics after being diagnosed with acute cystitis."
"The GP diagnosed uncomplicated cystitis and prescribed a short course of antibiotics."
"Patients undergoing pelvic radiotherapy are monitored closely for signs of radiation-induced cystitis."
The plural follows the classical pattern used for other '-itis' diseases (e.g. arthritides). In practice, plural use is rare; medical writing almost always refers to cystitis generically or to specific named types rather than counting instances.
"Various cystitides were catalogued in the pathology review, ranging from bacterial to radiation-induced forms."
Cystitis has been plaguing humans for millennia — ancient Egyptian medical papyri describe urinary symptoms remarkably similar to those doctors treat today.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cystitis
Cystitis derives from Greek: 'kystis' (κύστη), meaning bladder or pouch, combined with the suffix '-itis', which denotes inflammation and comes from Greek as well. The compound entered medical Latin and passed into English during the early nineteenth century as modern medical nomenclature standardized such disease names. It shares its root with other '-itis' conditions such as arthritis and dermatitis, and with words built on the same Greek root like 'cyst' and 'cystic'.
How cystitis is actually used
A clinical/medical term used both in professional healthcare settings and in everyday health discussion. In common usage it frequently refers specifically to bacterial bladder infection in women, who are affected far more often than men; in medical contexts the term covers infectious and non-infectious causes alike. The adjective 'interstitial' marks the chronic, non-bacterial form as a distinct condition.
Easily confused with cystitis
Urethritis is inflammation of the urethra (the tube carrying urine out of the body), whereas cystitis is inflammation of the bladder itself, though the two often occur together.
Pyelonephritis is an infection of the kidney, usually a more serious condition that can develop when cystitis is left untreated and bacteria travel upward.