Symptoms: You can have a bladder infection without knowing it. It can pass by itself without treatment. However, if it is caused by a sexually transmitted disease, it could be bad to miss it. Usually, a bladder infection will cause burning pain when you urinate. It can make you urinate more often with more urgency. It can also cause blood in the urine at rare times. Urine studies can detect infection.
Answered 3/28/2015
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