What is the reason for the burning sensation at the urethral orifice?

Urethral orifice has burning feeling, consider urethritis, cystitis, ureteral stones caused by, details are as follows:

1, urethritis

urethritis consider gonococcus, chlamydia trachomatis, mycoplasma and other pathogens caused by infection. Patients urethral mucosa by inflammatory factors stimulation, can lead to urethral congestion edema, causing urethral orifice burning feeling.

2, cystitis

cystitis patients bladder mucosa by inflammation stimulation, can appear frequent micturition, urgency, urinary pain, urethral orifice burning and other symptoms.

3, ureteral stones

in the discharge process, may stimulate the urethral mucosa, causing urethral orifice burning feeling.