 [ Symptoms ] i have a tiny blood lump at the end of my spine where the butt crack is soft red pulsing smells like poo what is it  initially i thought it could be a pilonidal cyst but i highly doubt it the smell it produces is enough to scare away people it is like having poop in my pants 247 or 3 hours after a shower noticed it 2 weeks ago the smell was there for 2 months just before the smell the only irregular thing i did was running a little at the gym 4 times 15 minutes in 10 days i am 22 years old averagely fit healthy it is a small lump like an above average zit bloody warm pulsing sweating poop smell [ Disease ] i can not answer that i do not know anything about you your blood pressure readings or even the type of blood pressure medication you are taking dosage adjustments are best made by the medical provider who is treating you