 [ Symptoms ] why is my armpit sore i stopped taking my birth control pills after 6 years of being on ortho tricyclen lo i have decided to get off the pill i am 27 years old hispanic i want to know if i have that option of getting pregnant i stopped taking them sept 8th since then i have had one period normal but i was getting a sharp pain on my right breast which has stopped i noticed that my armpit has been kind of sore i thought maybe i pulled something but it has not gone away any ideas [ Disease ] hi when you come off the bc pill you have a couple of days when the hormes from the pill starts to go off and your body starts producing more i have found a couple of links tat may help even better than i can put it your sore armpit could be your lympgland being affected by you hormone changes the links may help good luck <link> <link>