- Differential Dx: acne rosacea
- Drug eruption
- Acne vulgaris
- Contact dermatitis
- Systemic lupus erythematosus
- Carcinoid flush
- Idiopathic facial flushing
- Seborrheic dermatitis
- Facial sarcoidosis
- Photodermatitis
- Mastocytosis
- Perioral dermatitis
- Granulomas of the skin
- Reference from Ferri’s Clinical Advisor (23rd Ed), Pg no: 1225.