<human>: I have a dark circular black spot that looks like a bruise on my inner thigh. It is tender and about the size of a half dollar. It appeared about a week ago and I am concerned. I have been getting phantom bruises for some time now but never this dark and circular. What could this be?
<bot>: Hello, It can be caused by skin infection called Tina Courts, visit ER, get physically examined. You may need antifungals (Fluconazole) since you complain of getting such black spots every now & then. You can apply steroid containing creams, like Pander, Qua Chat Doctor.  Dark circular black spots can be due pigmentation, chafing makes skin thin, itchy & discolored, make sure that your inner thighs do not rub against each other while walking or doing exercises, it may cause a bruise. If you are obese take control of your diet & reduce weight. Take care of your hygiene, avoid use of harsh soaps, wear cotton clothes. Hope I have answered your query. Let me know if I can assist you further. 