A strong persistent urge to urinate.
Frequent urination, a painful, burning feeling in the urethra during urination.
Often, women feel an uncomfortable pressure above the pubic bone, and some men experience a fullness in the rectum.
The urine itself maybe cloudy or reddish if blood is present.
More specific symptoms are:
Acute pyelonephritis may cause flank pain, high fever, severe chills and nausea or vomiting.
cystitis may result in pressure in the lower abdomen and strong-smelling urine.
Urethritis may lead to pus in the urine. In men, urethritis may cause penile discharge.