Im Skinny, 130 Pounds And 6 Feet Tall… But I Noticed I Just Grew A Slight Man Boob On My Right Nipple?????

its not noticeable but its a lil more pointy then my left nipple lol… it just happend 2… it never use to be this way… i just started taken skin remmedy pills a cppl weeks ago that could have caused it… What shuld i do to get rid of this little stub thing lol?