| photosensitive rash | <dermatology> A rash that occurs from the use of a particular drug when exposed to sunlight. <pharmacology> Medications known to produce a photosensitive skin reaction include: captopril, chlordiazepoxide, furosemide, griseofulvin, oral contraceptives, phenothiazines, sulphonamides, tetracycline, demeclocycline and thiazide diuretics. (13 Oct 1997) |
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| wildfire rash | An eruption of papules and vesicles at the orifices of sweat glands, accompanied by redness and inflammatory reaction of the skin. Synonym: heat rash, lichen infantum, lichen strophulosus, prickly heat, strophulus, summer rash, tropical lichen, lichen tropicus, wildfire rash. (05 Mar 2000) |
| Murray Valley rash | A mild febrile illness of humans in Australia characterised by polyarthralgia and rash, caused by the Ross River virus, a member of the family Togaviridae, and transmitted by mosquitoes. Synonym: epidemic exanthema, Murray Valley rash, Ross River fever. (05 Mar 2000) |
| crystal rash | A noninflammatory form of miliaria in which the vesicles are filled with clear fluid. Synonym: crystal rash, sudamina. (05 Mar 2000) |
| heat rash | An eruption of papules and vesicles at the orifices of sweat glands, accompanied by redness and inflammatory reaction of the skin. Synonym: heat rash, lichen infantum, lichen strophulosus, prickly heat, strophulus, summer rash, tropical lichen, lichen tropicus, wildfire rash. (05 Mar 2000) |
| hydatid rash | A toxic eruption occasionally following the rupture of a hydatid cyst. (05 Mar 2000) |
| napkin rash | Colloquially referred to as diaper, ammonia, or napkin rash; dermatitis of thighs and buttocks resulting from exposure to urine and faeces in infants' diapers. Formerly attributed to ammonia formation; moisture, bacterial growth, and alkalinity may all induce lesions. Synonym: ammonia rash, diaper rash, Jacquet's erythema, napkin rash. (05 Mar 2000) |
| nettle rash | An obsolete term for urticaria. Serum rash, a cutaneous manifestation of serum sickness. (05 Mar 2000) |
| summer rash | An eruption of papules and vesicles at the orifices of sweat glands, accompanied by redness and inflammatory reaction of the skin. Synonym: heat rash, lichen infantum, lichen strophulosus, prickly heat, strophulus, summer rash, tropical lichen, lichen tropicus, wildfire rash. (05 Mar 2000) |
| diaper rash | An irritated red rash that is localised to the diaper area. Irritation commonly occurs secondary to chaffing and chronic moisture to the skin. (27 Sep 1997) |
| drug rash | Adverse cutaneous reactions caused by ingestion, parenteral use, or local application of a drug. These may assume various morphologic patterns and produce various types of lesions. (12 Dec 1998) |