 [ Symptoms ] i have fibromyalgia being treated by neurologist now bladder is achy and heavy pressure with pain [ Disease ] how big are their nipples perhaps it is time for them to start wearing some sort of bra how much exercise do they regularly get i am a guy and i am in pretty great shape but if i run for a few hours a day every day after taking several weeks off my nipples can get sore from my shirt i imagine it could be the very same problem for a very young girl depending on how much and what type of exercise they are getting