Skin Conditions

Dandruff & Seborrhoeic Dermatitis: UK Online Doctor Guide

5 min readLast reviewed 24 April 2026

Educational information — not medical advice.

This article was prepared by the OnlineDoctor24 editorial team and reviewed for factual accuracy against UK clinical guidance (NHS and NICE). It is not written by a doctor and does not replace personal medical advice. For symptoms specific to you, book an online doctor consultation.

Key points

  • Dandruff is a mild form of seborrhoeic dermatitis driven by yeast and inflammation.
  • Antifungal shampoos (ketoconazole 2%) are highly effective.
  • Facial seborrhoeic dermatitis responds to mild antifungal cream and brief mild steroid.
  • Stress, cold weather and tiredness worsen symptoms.
  • An online GP can prescribe stronger options.

Where it appears

  • Scalp (dandruff)
  • Eyebrows and sides of nose
  • Behind ears
  • Mid-chest in men

Treatment

  • Ketoconazole 2% shampoo (Nizoral) twice weekly.
  • Selenium sulphide or coal tar shampoos as alternatives.
  • For face: ketoconazole 2% cream + short course of hydrocortisone 1% for flares.
  • Severe cases: prescription-strength antifungals or topical calcineurin inhibitors.

Frequently asked questions

Common questions UK patients ask about seborrhoeic dermatitis.

How an online doctor can help

This article is for general information only and does not replace personal medical advice from a qualified doctor. Content is reviewed against UK NHS and NICE guidance by the OnlineDoctor24 editorial team and is not authored by a medical doctor. If your symptoms worsen or you are unsure, please book a consultation with a GMC-registered GP.

See a UK GP about this today

Same-day video or phone consultations with GMC-registered GPs. Prescriptions, sick notes and referrals when clinically appropriate.