Seborrheic Dermatitis and Psoriasis are very similar and can sometimes be misdiagnosed. If caught early enough, the long term outcome may be very successful and go into remission.
Seborrheic Dermatitis or Atopic Eczema are the same. In what way do you ask? Well, the cause a persons skin to become red, itchy and inflammed. It is also a subset of a types of skin condition(s).