If the scalp is red and oily, if it is caused by seborrheic dermatitis, you can use ketoconazole shampoo to treat it, and if it is caused by ringworm, you can take oral antifungal medication.
Scalp redness and oil can be caused by seborrheic dermatitis, mainly due to sebaceous gland secretion abnormalities caused by the use of shampoos containing ketoconazole, coal tar to alleviate.
In addition, ringworm of the scalp is prone to scalp flushing red vesicles, scalp scales, hair loss and other phenomena, due to fungal infections caused by the need for timely antifungal treatment. Mainly for the systematic antifungal treatment, you can take oral itraconazole, terbinafine, fluconazole and other drugs.
If there is redness and oil on the scalp, go to the hospital for treatment, and use the above medications as prescribed by the doctor.