Also referred to as male pattern baldness or female pattern baldness, androgenetic alopecia is the most common type of progressive hair loss.

A certain amount of hair loss is normal. However, if your hair starts to thin or you are shedding considerably, you may need to see a dermatologist.

Hay fever (allergic rhinitis) is one of the most common allergies in the UK, affecting around 13 million people.

Patches of hair loss are caused by alopecia areata, an autoimmune condition where the immune system attacks the hair follicles, causing the hair to fall out in clumps.

Idiopathic anaphylaxis is when a patient experiences anaphylaxis, however no trigger can be identified.

The skin on the male genitalia is a common site for skin problems but there is often delay seeking help because of embarrassment or not knowing where to get the best advice.

Moles are part of normal skin and most of them are completely harmless. They are made up of clusters of pigment cells. Most moles appear at birth or during childhood and adolescence.

Skin conditions are extremely common in babies and children. Although many are harmless and will tend to improve on their own, some conditions can be longer lasting and have a significant impact on the child through their symptoms or the psychological impact of having a visible skin problem.

There are several skin conditions that may affect the mouth and sometimes other mucosal sites that can be difficult to diagnose and treat as they fall between specialist areas

Psoriasis is a common autoimmune skin condition that causes red, scaly patches of skin.

Vitiligo is an autoimmune disease that causes the skin to lose its colour, resulting in the development of white patches.

Warts are common skin infection that causes small bumps to develop on the skin, often on the hands, feet and knees.

Polymorphic light eruption is a common skin rash caused by exposure to sunlight or artificial ultraviolet light.

Thread veins are damaged blood vessels that appear under the surface of the skin, often as a result of hormonal changes or injury.

Keloid scars are a type of scar that is raised and thick. It can develop anywhere on the body where the skin has been damaged and can make movement difficult in some cases.