- Painful urination
- Blood in the urine
- Feeling the need to urinate frequently
- Pain in the lower abdomen
- Urinary tract infections
- Environmental allergies
- ?food allergies
- Medication reaction (antibiotics, chemotherapy)
- Urine sample for analysis
- Ultrasound of the bladder
- Eosinophils may be found in the blood and/or urine (not always present)
- Biopsy of the bladder is necessary to make the diagnosis. Biopsy is done during a cystoscopy.
- Ultrasound may show thickening or a mass in the bladder
- Biopsy: Eosinophils invading the bladder wall. Biopsy may show chronic inflammation. Eosinophils should be carefully sought when chronic inflammation is seen.
- Allergy testing may be helpful in patients with other allergic diseases to identify and remove offending allergens.
- Avoid known allergens or triggers
- May resolve with treatment
Recurrent episodes can occur. Untreated episodes may cause scar tissue to form in the bladder and cause problems with bladder function.
Author: Wendy Book MD, updated 8-30-11, reviewed by Dr. Stephen Kramer MD (Mayo Clinic, pediatric urology)