Relax ajsimmons1924. As a rule, i find painful lesions tend to be more of an infectious nature than any scary cancer or some such worrying matter. Having said that, do you recall shaving the area or any other trauma? It is more than likely it can be an ingrown hair that has got secondarily infected & may be leading to an abscess formation. It may get better with just an antibiotic & anti-inflammatory tablet course over 5 -7 days; If 48 hrs after starting the same, it shows no signs of improvement, visit your local dermatologist or general surgeon & you may need to get it lanced. Hope it all works out well for you. Regds..Dr Praveen Rodrigues MD Dermatologist, Cosmetologist & Venereologist, Bangalore, India