Ringworm that stays red indicates that the disease is not under control and needs to be actively treated, and its treatment includes general treatment and medication. Ringworm is caused by fungal infection, which can be manifested as red pimples and blisters. If jock itch is always red, it needs to be treated correctly. 1. General treatment: avoid scratching, avoid hot water scalding. Avoid sharing underwear, towels and other personal items with others to prevent cross-infection. 2. medication: anti-fungal drugs, such as external miconazole, ketoconazole, clotrimazole ointment, etc., the effect of external use is not good or the lesion area range is large, you can take oral medication, such as itraconazole, terbinafine and so on. If the ringworm has been red phenomenon, go to the hospital in time, the use of the above drugs need to follow the doctor’s instructions.