Women with hard lumps at the root of the thigh by the underwear may be due to eczema, jock itch and other causes, and can be treated with loratadine, ketoconazole and other drugs under the advice of a doctor. 1. eczema: generally caused by allergies, irritation of the environment and other factors, a kind of inflammatory skin disease with a clear tendency to ooze, manifested in rashes, itchy skin, small blisters and other symptoms, through the tight underwear can also lead to women’s thighs at the root of the underwear side of the hard lumps, in the guidance of the doctor can be used to levocetirizine, loratadine, and other medicines for treatment. 2. ringworm: generally due to the local long time in the warm, moist state, so may lead to the perineum part of the red trichophyton infection, and then cause the female thigh root underwear side of the hard lumps, in the doctor’s advice can use miconazole, ketoconazole and other drugs for treatment. 3. Enlarged lymph nodes: generally due to inflammation, tumors and other causes of lymph nodes abnormal growth and enlargement of pathological phenomena, manifested by fever, pain, fatigue and other symptoms, may also appear in the female thigh root underwear side of the hard lumps, in the doctor’s advice can be used to anti-inflammatory drugs, treatment of tumors and other primary diseases. Women with hard lumps at the root of the thigh by the underpants need to go to the hospital in time to confirm the diagnosis, under the guidance of the doctor’s instructions for standardized treatment.