Hydroxychloroquine

What is it? Hydroxychloroquine is an anti-malarial drug that is used to treat a wide variety of skin conditions. The way in which it works is unknown but it is […]

Hidradenitis Suppurativa

What is it? Hidradenitis suppurativa is a condition affecting apocrine sweat glands that are located mostly under the arms and in the groin and genital area. These glands become blocked and cause […]

Hirsutism

What is it? Also known as … Excessive hair growth The term hirsutism refers to excessive hair production in both males and females. However, medically it is used to define […]

Hori’s Naevus

What is it? Also known as … Acquired Naevus of Ota-like Macules (ABNOM) and Naevus Fusco-caeruleus Zygomaticus What is Hori’s nevus? Hori’s Naevus presents as benign (harmless) blue-grey to grey-brown […]

Herpes Labialis

What is it? Herpes labialis, also known as “cold sores”, is a common blistering viral infection of the lip or around the mouth.  Also known as fever blisters or herpes […]

Hyperhidrosis

Hyperhidrosis What is it? Hyperhidrosis is the name given to excessive or uncontrollable sweating. The main types of hyperhidrosis are: Axillary (sweaty underarms) Axillary hyperhidrosis, or excessive underarm sweating, is […]