The widely present yeast, Malassezia furfur is involved, as well as genetic, environmental, hormonal, and immune-system factors.
Side effects to inflammation may include temporary hair loss.
It could also be due to Psoriasis of the scalp. Scalp psoriasis and seborrheic dermatitis can be difficult to differentiate. Both are common conditions that affect the scalp. In addition, they share similar symptoms, such as itchy, red, scaly skin and burning /soreness of the scalp.