Itching deep in the thighs may be related to ringworm, eczema and other diseases, which can usually be treated by applying medications according to the cause, such as antifungal ointment and antihistamine drugs. 1. Ringworm: ringworm is a relatively common skin disease, caused by fungal infection. Such patients will not only have the symptom of itching deep in the thigh, but also have skin damage, which is usually manifested as scaly red patches. For this condition, patients can be treated with topical antifungal creams, such as miconazole nitrate cream and ketoconazole cream. Those who are allergic to the above medications are prohibited from using them. 2. Eczema: If the patient is itching deep in the thighs, and also accompanied by erythema, papules, blisters, mossy changes and other symptoms, it should be considered to be caused by eczema. For this case, patients can take oral antihistamine drugs for treatment, such as loratadine, levocetirizine hydrochloride, etc., at the same time can be used externally with hormonal drugs such as mometasone furoate cream. People who are allergic to the above drug components are prohibited from using the drug. Deep thigh itching may also be caused by other reasons, it is recommended that patients go to the hospital in a timely manner to find out the cause of the disease, standardized treatment, medication should be used in accordance with the doctor’s instructions, so as not to delay the condition.