Roseola Infantum

Also known as … Viral Exanthems: Roseola, Sixth Disease, Exanthema Subitum or Three-day Fever. Roseola is a viral disease that commonly affects infants and toddlers. More

Raynaud phenomenon

What is Raynaud phenomenon? Raynaud phenomenon is an intermittent constriction of the blood flow to the fingers and toes precipitated by cold, emotion and some drugs that cause spasm of the small arteries bringing blood to the fingers and toes. The fingers become cooler, look blue and white. Then as the episode passes and the […]


Retinoids Retinoids are a group of medications related to vitamin A. Tretinoin (retinoic acid) is a vitamin A derived cream that was developed three decades ago, initially for the treatment of acne. Now, however, several important derivatives of vitamin A are used by dermatologists. These include isotretinoin and acitretin.  It was found that these drugs […]


Rosacea What is rosacea? Rosacea is a common, chronic skin disorder affecting the central face. It is an episodic and variable condition but classically presents as acne-like bumps (papules and pustules), red or pink patches and broken capillaries. The condition is common in people with fair skin and blue eyes who are of Celtic or […]


Rhinophyma What is it? Rhinophyma is the slow thickening of the nasal skin. It affects adults and is more common in men than in women. What causes it? The cause of rhinophyma is unknown but it is linked to rosacea. What does it look like? The nasal skin slowly thickens and develops nodules (lumps), eventually […]