 [ Symptoms ] does prostate cancer cause excessive sweating  the prostate was removed and it seems i sweat considerably more are they related in any way i take cholesterol medicine aspirin and vesicare [ Disease ] pepto bismol can cause the stools to be darker but not black and tarry and not likely five minutes after you took it this may be a sign of a gastrointestinal bleed especially the stomach i would strongly suggest that you see or consult your medical provider as soon as possible