Differential Diagnosis
DDx Strength: Weak
Mucosal lip, Rash or multiple lesions

Edit Findings
Best Match is inConsider 2nd

Pyostomatitis vegetans

Pyostomatitis vegetansPyostomatitis vegetans

Hand, foot, and mouth disease

Hand, foot, and mouth diseaseHand, foot, and mouth disease

Angular cheilitis

Angular cheilitisAngular cheilitis

Aphthous stomatitis

Aphthous stomatitisAphthous stomatitis

Factitial ulcer

Factitial ulcerFactitial ulcer

Fordyce spots

Fordyce spotsFordyce spots

Herpes simplex virus

Herpes simplex virusHerpes simplex virus

Herpes zoster

Herpes zosterHerpes zoster

Orofacial herpes simplex virus

Orofacial herpes simplex virusOrofacial herpes simplex virus

Oral mucocele

Oral mucoceleOral mucocele



Crohn disease

Crohn diseaseCrohn disease

Erythema multiforme

Erythema multiformeErythema multiforme

Hereditary hemorrhagic telangiectasia

Hereditary hemorrhagic telangiectasiaHereditary hemorrhagic telangiectasia

Lichen sclerosus

Lichen sclerosusLichen sclerosus

Sjögren syndrome

Sjögren syndromeSjögren syndrome

Ulcerative colitis

Ulcerative colitisUlcerative colitis

Addison disease

Addison diseaseAddison disease

African tick bite fever

African tick bite fever

AIDS-associated Kaposi sarcoma

AIDS-associated Kaposi sarcomaAIDS-associated Kaposi sarcoma

Chronic graft-versus-host disease

Chronic graft-versus-host diseaseChronic graft-versus-host disease

CREST syndrome

CREST syndromeCREST syndrome

Cytomegalovirus infection

Cytomegalovirus infectionCytomegalovirus infection

Disseminated herpes zoster

Disseminated herpes zoster

Fabry disease

Fabry diseaseFabry disease

Granuloma inguinale

Granuloma inguinaleGranuloma inguinale

Human immunodeficiency virus primary infection

Human immunodeficiency virus primary infectionHuman immunodeficiency virus primary infection

Mucous membrane pemphigoid

Mucous membrane pemphigoidMucous membrane pemphigoid

Mycoplasma pneumoniae-induced rash and mucositis

Mycoplasma pneumoniae-induced rash and mucositis

Pemphigus vulgaris

Pemphigus vulgarisPemphigus vulgaris

Secondary syphilis

Secondary syphilisSecondary syphilis

Stevens-Johnson syndrome

Stevens-Johnson syndromeStevens-Johnson syndrome

Behçet syndrome

Behçet syndromeBehçet syndrome

Birt-Hogg-Dubé syndrome

Birt-Hogg-Dubé syndromeBirt-Hogg-Dubé syndrome

Endemic syphilis

Endemic syphilisEndemic syphilis

Granular cell tumor

Granular cell tumorGranular cell tumor



Kawasaki disease

Kawasaki diseaseKawasaki disease

Keratosis lichenoides chronica

Keratosis lichenoides chronica

Laugier-Hunziker syndrome

Laugier-Hunziker syndromeLaugier-Hunziker syndrome



Paraneoplastic pemphigus

Paraneoplastic pemphigusParaneoplastic pemphigus

Pseudoxanthoma elasticum

Pseudoxanthoma elasticumPseudoxanthoma elasticum

Lip-licking dermatitis

Lip-licking dermatitisLip-licking dermatitis

Papular-purpuric gloves and socks syndrome

Papular-purpuric gloves and socks syndromePapular-purpuric gloves and socks syndrome

Lobular capillary hemangioma

Lobular capillary hemangiomaLobular capillary hemangioma

Molluscum contagiosum

Molluscum contagiosumMolluscum contagiosum

Postinflammatory hyperpigmentation

Postinflammatory hyperpigmentationPostinflammatory hyperpigmentation



Postinflammatory hypopigmentation

Postinflammatory hypopigmentationPostinflammatory hypopigmentation



Oral fibroma

Oral fibromaOral fibroma

Blue nevus

Blue nevusBlue nevus

Chronic cheek chewing

Chronic cheek chewingChronic cheek chewing

Denture-induced hyperplasia

Denture-induced hyperplasiaDenture-induced hyperplasia







Oral candidiasis

Oral candidiasisOral candidiasis

Oral melanotic macule

Oral melanotic maculeOral melanotic macule