Hello and thanks for your post,

Unfortunately we can't tell you or diagnose what is causing your blood blister on your breast. There maybe a reasonable explanation such as wearing a bra that is too tight. 

We would always advise anyone with a new symptom that they are concerned about to get it checked out by their GP. 
Your GP will be able to examine the blister and let you know whether it is anything to be concerned about.

There is usually an explanation far less serious then cancer but if you have concerns then do get it checked out.

All the Best,

Catherine

Hi Catherine,

Completely understand and thankyou for replying to my post. I'm sure it's nothing to worry about but will give the GP a call just in case. It never ends well when you start looking at Dr Google does it!

Thanks again :)

Melissa 

Hi mel. isn't it great when when CRUK nurses can't give a spacific answer other than go seek advice.

My wife began with just a couple of breast blood blisters after she gave birth to our second child.it was just the odd couple. But when the mid-wife said they could have something to do with not breast feeding.. Then as she got older into her late 40's these blood blisters started to bleed. wasn't painful, just inconveniance.. she did have them checked again and because she had osteoporosis brittle bones. this was caused by medications  along with the blistering, she was taking for the blisters.. now because she had systitis stopping the medications she was on, was not considered an option. she was offered to have the blisters burnt away by laser. but because of my wifes age she had had enough of hospitals. and chose to live with them.

not conected in anyway shape or form. my wife was addmitted to hospital and diagnose with bowel cancer. in 2020 in May. unfortunately she passed away 6 weeks after it was diagnosed in July 2020.

But in the light of day I knew the blood blisters became annoying to her. and if she had been given a second chance she would now have them burnt away.

I don't know if you are on any medication. but in the long run Mel see what options are open to you to get them seen too.  because what has started out as just the one or two, later on there will be more.