Question: What are the symptoms of IC?
Answer: Interstitial cystitis (IC) symptoms vary among people. Symptoms may be mild or severe and can even change over time. Your symptoms may go away with treatment, a change in what you eat, or without a clear reason. Even if your symptoms go away, they may return after days, weeks, months, or even years.

Symptoms may include

discomfort, pressure, or tenderness in the lowerabdomenandpelvic area
frequenturination, or needing to urinate more often than what’s normal for you
pain in thebladderthat worsens until you urinate and then improves for a little while
pain during sex due to spasms in yourpelvic floor muscles
urinary urgency—with or without pain—before your bladder has time to fill
Question: What causes IC?
Answer: Researchers aren’t sure exactly what causes IC. Some experts believe IC is caused by inflammation in the body. Your IC may feel worse when symptoms flare up. Certain factors may trigger symptom flares, including

allergiesor changes in the seasons or weather
certain foods and drinks, skipping meals, or not drinking enough liquids to stay hydrated
aurinary tract infectionor holdingurinefor too long
items that may cause irritation, such as laundry detergent, pool chemicals, toilet paper, and tight clothing
physical activities that involve the pelvic floor, such as pushing or lifting heavy objects, bumpy movements, standing for a long time, and having sex
stress and menstruation, which affect yourhormones

Your health care professional will discuss your IC symptoms with you.

If you know what makes your symptoms flare up, you may want to avoid them. Talk with your health care professional about factors that affect your health—like taking your prescribed medicines, having medical tests, or sex—if these cause symptom flares and make your IC feel worse.