 [ Symptoms ] i have one purple nipple it is acts weird i am 16 just had my period and when it stopped only one nipple became very sore and part if my armpit also the nipple was first very pink and today it was almost purple when i woke up it has a normal shape it is not swollen it acts completely different from tr other nipple like sometimes it is pointy and the other is not i am only worried because everywhere i research it says if only one breast nipple has an issue it is and issue but not if it is happening to both btw i do not have sex [ Disease ] i am sorry you are going through this but i am glad to see you are so vigilant about your breast health way to go first let me say breast cancer in a 16 year old is exceedingly rare i want to put your mind at ease about that the problem is likely something far less serious it would not hurt to get this situation checked out by your doctor or nurse practitioner it could be related to hormones because of course they fluctuate or something else that is very simple such as circulation issues even if the situation clears up over the next few days i would suggest you get this looked at you will feel less anxious and your doctor will get the condition into your medical history in case it occurs again wishing you well