Can interstitial cystitis make you see a little blood in your urine?

See below. Yes it can, it depends on the cause.You need to see a urologist though to have a look into the urinary bladder to make sure you do not have any other problems inside the bladder causing blood to appear in the urine.
Interstitial cystiti. Symptoms of interstitial cystitis include excessive urgency and frequency of urination, suprapubic pain, dyspareunia and chronic pelvic pain. Urinary frequency in patients with interstitial cystitis averages 16 times per day but can be as much as 40 times per day. Urinalysis may be entirely normal or may show microscopic hematuria or pyuria. More at: http://www.Aafp.Org/afp/2001/1001/p1199.Htm.