Danni they arent sure could have been an ingrown hair orsomehtign called a bartholins cysts usually harmless just uncomefortable. I have the 450d the one before yours Love love love it. got a flash for xmas..not a canon origional in fact only $70 brilliant for weddings..and also some macro lense filters much cheaper than full lense. All ebay buys had no trouble at all with them also a remote to self portrait shots so many toys its great fun.