There are some types of dandruff that can become serious. You should always check with a physician if you have done everything you can, but the problem will not go away. Seborrhoeic Eczema, or Seborrhoeic Dermatitis is a type of severe dandruff. Besides dandruff, you get red, itchy and greasy scales from the sores it causes. You can also get it on your nose, torso and ears. You can find helpful information online, but you should discuss it with our doctor.