Compound ketoconazole hair lotion is the most common topical medication used to treat itchy scalp or bleeding scalp. It is mainly used to treat seborrheic dermatitis or itchy scalp because it has antifungal ingredients, so it is more effective for seborrheic dermatitis. Some seborrheic dermatitis can be itchy, you can also use ketoconazole, because it may also have hormonal ingredients, which also play a sedative and anti-itch role. This drug is more common for seborrheic dermatitis, and the drug is also widely used. It has a relatively fast therapeutic effect, and after a few washes of the hair, there will be a faster stopping of itching, or stopping the flaking. However, the long-term use of this drug may appear when the use of good results, or not use after a rapid relapse of the disease, or long-term use after the benefits of the first use of the good effect.