What could be cause of bladder pressure? Negative UTI, no pain or frequent urination. Have IUD but it's in place.

See below. In a young female with bladder pain, discomfort, and/or pressure in absence of a UTI and with a fairly unremarkable urinalysis, the most common cause would be "Interstitial Cystitis" (aka Painful Bladder Syndrome). Often associated with variable degree of urinary frequency and less often pain with intercourse. Other possible causes would include gyne-related problems (e.g. fibroids, endometriosis)

Related Questions

What are the signs of a UTI. I have frequent urination, my bladder feels like its not getting empty all the way. I feel pressure and discomfort when uri?

As described. Burning with urination, frequency, urgency, sense of incomplete emptying are classic for UTI. Occasionally you may also see blood in your urine. Recommend going to primary care doctor or urgent care for UA, urine culture, and empiric antibiotics. Drink plenty of fluids to flush infected urine out of bladder. . Read more...

I'm experiencing urethral pain and bladder pain. Frequent urination and Sudden urge to urinate. For 18 months. Not uti. Intermittent. Possible cause?

Lack of care... 18 months? Really? ..and you want a diagnosis online today? NO. See a urologist ASAP! You will need cystoscopy and ureteroscopy in addition to urine analysis, culture and STD screening. Read more...
Like UTI, but not. There are conditions that present and feel, for all intents and purposes, like a urinary tract infection but in fact are not. Interstitial cystitis, for example. If your symptoms have persisted this long and have not been repeatedly attributable to a UTI, then you need more investigations into cause. You should consult with Urologist and Gynecologist, if you haven't already. Read more...
See a urologist . Long standing issues like this require in person evaluations. Please see a urologist. . Read more...