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Interstitial Cystitis
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Kidneys Urinary System

Interstitial Cystitis

Interstitial cystitis is a chronic condition causing bladder discomfort and urinary urgency, often requiring a combination of lifestyle changes and medical therapies to manage symptoms.

Overview

Interstitial cystitis (IC) is a condition that causes discomfort or pain in the bladder and a need to urinate frequently and urgently. It is far more common in women than in men. The symptoms vary from person to person; some people may have pain without urgency or frequency, while others have urgency and frequency without pain. Women's symptoms often get worse during their periods, and they may also have pain with sexual intercourse.

Diagnosis and Treatment

The cause of IC isn't known, and there is no one test to tell if you have it. Doctors often run tests to rule out other possible causes of symptoms. While there is no cure for IC, treatments can help most people feel better, including:

  • Distending, or inflating, the bladder
  • Bathing the inside of the bladder with a drug solution
  • Oral medicines
  • Electrical nerve stimulation
  • Physical therapy
  • Lifestyle changes
  • Bladder training
  • In rare cases, surgery

Frequently Asked Questions

Certain acidic or highly processed foods, artificial sweeteners, caffeine, alcohol, citrus fruits, spicy sauces, and carbonated drinks can irritate the bladder lining. Keeping a food diary, eliminating one suspected trigger at a time, and gradually reintroducing foods can help identify personal irritants. A low‑acid, bland diet often reduces urgency and pain for many patients.
Yes, many women with IC experience dyspareunia. Using a water‑based lubricant, practicing pelvic floor relaxation exercises, and having intercourse in a position that reduces pressure on the bladder (e.g., side‑lying) can help. Some patients find that a brief warm bath before sex or a short period of bladder emptying reduces pain.
Response times vary by therapy. Oral medications may take 4–8 weeks to show benefit, while bladder training and physical therapy can start to help within 2–4 weeks. Combination regimens often require 3–6 months of consistent use before patients report significant relief.
voiding acidic foods (tomatoes, citrus, vinegar), limiting caffeine and alcohol, and steering clear of artificial sweeteners and highly processed snacks can lessen irritation. Incorporating bland, low‑fiber foods like white rice, plain chicken, and cooked vegetables, and staying well hydrated with water or herbal teas, often improves symptoms.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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