👤 Skin (all ages)
Skin problems in all age groups
Symptoms
Rash
Rash: The Language of the Skin A rash (exanthem) is any pathological change on the skin characterized by a change in its colour, texture, or the appearance of elements such as macu…
Itching
Itching (Pruritus): Elusive and Exhausting Symptom Itching, or pruritus, is an unpleasant sensation on the skin that triggers an irresistible urge to scratch it. It is one of the m…
Urticaria
Urticaria (Hives): Mechanism of Onset Urticaria is a common skin condition characterized by the sudden appearance of itchy, pale‑pink wheals (hives) surrounded by a zone of redness…
Skin infections
Skin infections: When microbes overcome the defense The skin is our primary protective barrier that guards against the entry of microorganisms. However, when this barrier is damage…
Skin allergic reactions
Skin allergic reactions: Types and mechanisms The skin is one of the main "target organs" for allergic reactions. It can respond to allergens that entered the body through food or …
Burns
Burns: Classification and Tissue Damage Mechanism A burn is damage to body tissues caused by high temperature (thermal burn), chemicals (chemical burn), electric current (electrica…