Puncta pruritica

Puncta pruritica (also known as "Itchy points") consists of one or two itchy spots in clinically normal skin, sometimes followed by the appearance of seborrheic keratoses at exactly the same site.^[1]

References

^ James WD, Berger T, Elston D (2006). Andrews' Diseases of the Skin: Clinical Dermatology (10th ed.). Philadelphia: Saunders Elsevier. ISBN 978-0-7216-2921-6.

v t e Dermatitis and eczema
Atopic dermatitis	Prurigo gestationis Sweat allergy
Seborrheic dermatitis	Pityriasis simplex capillitii Cradle cap
Contact dermatitis (allergic, irritant)	plants: Urushiol-induced contact dermatitis African blackwood dermatitis Tulip fingers other: Abietic acid dermatitis Diaper rash Airbag dermatitis Baboon syndrome Contact stomatitis Metal allergy Protein contact dermatitis
Eczema	Autoimmune estrogen dermatitis Autoimmune progesterone dermatitis Breast eczema Ear eczema Eyelid dermatitis Topical steroid withdrawal Hand eczema Chronic vesiculobullous hand eczema Hyperkeratotic hand dermatitis Autosensitization dermatitis/Id reaction Candidid Dermatophytid Molluscum dermatitis Circumostomy eczema Dyshidrosis Juvenile plantar dermatosis Nummular eczema Nutritional deficiency eczema Sulzberger–Garbe syndrome Xerotic eczema
Pruritus/Itch/ Prurigo	Lichen simplex chronicus/Prurigo nodularis by location: Pruritus ani Pruritus scroti Pruritus vulvae Scalp pruritus Drug-induced pruritus Hydroxyethyl starch-induced pruritus Senile pruritus Aquagenic pruritus Aquadynia Adult blaschkitis due to liver disease Biliary pruritus Cholestatic pruritus Prion pruritus Prurigo pigmentosa Prurigo simplex Puncta pruritica Uremic pruritus
Other	substances taken internally: Bromoderma Fixed drug reaction Nummular dermatitis Pityriasis alba Papuloerythroderma of Ofuji

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References