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Diseases » Pityriasis Rosea » Glossary

Glossary for Pityriasis Rosea

Dandruff: White flaking and dryness of the scalp.
Discoid eczema: Discoid eczema is a common form of skin inflammation and irritation characterized by its round or oval shape. The size of the lesions may vary from a few millimetres to centimetres across. The cause is unknown but minor injuries such as insect bites may be triggers. The lesions tend to occur most often on the limbs.
Eczema: Eczema is a chronic skin condition characterized by skin inflammation and irritation. The severity of extent of the condition is highly variable. It may be caused by allergies, irritants or other factors such as stress.
Fatigue: Excessive tiredness or weakness.
Fever: Elevation of the body temperature above the normal 37 degrees celsius
Headache: In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head and sometimes neck. Some of the causes are benign while others are medical emergencies. It ranks among the most common pain complaints
Hives: Weals on the skin due to an allergic reaction.
Itching skin: Itching feeling of the skin.
Lichen planus: Skin rash
Nummular dermatitis: A skin disorder characterized by the development of round or oval skin lesions which itch and burn. In the initial stages, small red spots or blisters form and the grow and joint together to form a patch. The lesion eventually looks similar to a ringworm infection with a clear centre and a distinct border. The causes of some cases includes mercury fillings and allergy to rubber, nickel, formaldehyde or neomycin.
Pityriasis Versicolor: Fungal skin infection
Pruritus: The sensation of itch
Psoriasis: Chronic skin rash condition, usually red or silver and blistery.
Secondary syphilis: A condition which is characterized by fever, multiform skin eruptions, iritis, alopecia, mucous patches and severe pain in the head and joints
Tinea corporis: A condition which is characterized by tinea of glabrous skin
Tinea versicolor: A condition which is characterized by a chronic noninflammatory multiple macular patches
Urticaria: A vascular reaction of the upper dermis that is marked by elevated patches
Viral diseases: Any disease that is caused by a virus