Autoimmune estrogen dermatitis
Autoimmune progesterone dermatitis
Autosensitization dermatitis
Breast eczema (nipple eczema)
Chronic vesiculobullous hand eczema
Circumostomy eczema
Dyshidrosis (acute vesiculobullous hand eczema, cheiropompholyx, dyshidrotic eczema, pompholyx, podopompholyx)
Ear eczema
Eyelid dermatitis
Hand eczema
Hyperkeratotic hand dermatitis
Id reaction (disseminated eczema, generalized eczema)
Irritant diaper dermatitis (diaper dermatitis, napkin dermatitis)
Juvenile plantar dermatosis (atopic winter feet, dermatitis plantaris sicca, forefoot dermatitis, moon-boot foot syndrome, sweaty sock dermatitis)
Molluscum dermatitis
Nummular dermatitis (discoid eczema, microbial eczema, nummular eczema, nummular neurodermatitis)
Nutritional deficiency eczema
Sulzberger–Garbe syndrome (oid-oid disease)
Xerotic eczema (asteatotic eczema, desiccation dermatitis, eczema craquelé, pruritus hiemalis, winter eczema, winter itch)

Pustular
Pustular dermatitis is an inflammation of the skin that presents with pustular lesions. Eosinophilic pustular folliculitis (Ofujis disease, sterile eosinophilic pustulosis)
Reactive arthritis
Subcorneal pustular dermatosis (Sneddon–Wilkinson disease)

Seborrheic
Seborrheic dermatitis is a chronic, superficial, inflammatory disease characterized by scaling on an erythematous base. Infantile seborrheic dermatitis
Leiners disease
Pityriasis simplex capillitii (dandruff)
Seborrheic dermatitis (seborrheic eczema)

Disturbances of pigmentation
Disturbances of human pigmentation, either loss or reduction, may be related to loss of melanocytes or the inability of melanocytes to produce melanin or transport melanosomes correctly.
Albinism–black lock–cell migration disorder of the neurocytes of the gut–deafness syndrome (ABCD syndrome)
Albinism–deafness syndrome (Woolf syndrome, Ziprkowski–Margolis syndrome)
Alezzandrini syndrome
Argyria
Arsenic poisoning 
Berlin syndrome
Canthaxanthin
Chédiak–Higashi syndrome
Chrysiasis
Cross–McKusick–Breen syndrome (Cross syndrome, oculocerebral-hypopigmentation syndrome)
Dermatopathia pigmentosa reticularis (dermatopathia pigmentosa reticularis hyperkeratotica et mutilans, dermatopathia pigmentosa reticularis hypohidotica et atrophica, dermatopathic pigmentosa reticularis)
Dyschromatosis symmetrica hereditaria (reticulate acropigmentation of Dohi, symmetrical dyschromatosis of the extremities)
Dyschromatosis universalis hereditaria
Elejalde syndrome (Griscelli syndrome type 1)
Eruptive hypomelanosis
Familial progressive hyperpigmentation
Galli–Galli disease
Griscelli syndrome type 2 (partial albinism with immunodeficiency)
Griscelli syndrome type 3
Hemochromatosis (bronze diabetes)
Hemosiderin hyperpigmentation
Hermansky–Pudlak syndrome
Idiopathic guttate hypomelanosis (leukopathia symmetrica progressiva)
Iron metallic discoloration
Klein–Waardenburg syndrome
Lead poisoning
Leukoderma
Melanoma-associated leukoderma
Melasma (chloasma faciei, mask of pregnancy)
Mukamel syndrome
Necklace of Venus
Nevus anemicus 
Nevus depigmentosus (nevus achromicus)
Ocular albinism
Oculocutaneous albinism
Pallister–Killian syndrome
Periorbital hyperpigmentation
Photoleukomelanodermatitis of Kobori
Phylloid hypomelanosis
Piebaldism
Pigmentatio reticularis faciei et colli
Pityriasis alba
Poikiloderma of Civatte
Poikiloderma vasculare atrophicans
Postinflammatory hyperpigmentation (postinflammatory hypermelanosis)
Postinflammatory hypopigmentation
Progressive macular hypomelanosis
Quadrichrome vitiligo
Reticular pigmented anomaly of the flexures (dark dot disease, Dowling–Degos disease)
Reticulate acropigmentation of Kitamura
Revesz syndrome
Riehl melanosis
Scratch dermatitis (flagellate pigmentation from bleomycin)
Segmental vitiligo
Shah–Waardenburg syndrome
Shiitake mushroom dermatitis (flagellate mushroom dermatitis, mushroom workers disease, shiitake-induced toxicoderma)
Tar melanosis (melanodermatitis toxica lichenoides)
Tietz syndrome
Titanium metallic discoloration
Transient neonatal pustular melanosis (transient neonatal pustulosis, lentigines neonatorum)
Trichrome vitiligo
Vagabonds leukomelanoderma
Vasospastic macule
Vitiligo
Vitiligo ponctué
Vogt–Koyanagi–Harada syndrome
Waardenburg syndrome
Wende–Bauckus syndrome (Pegum syndrome)
Woronoffs ring
X-linked reticulate pigmentary disorder (familial cutaneous amyloidosis, Partington amyloidosis, Partington cutaneous amyloidosis, Partington syndrome type II, reticulate pigmentary disorder, X-linked reticulate pigmentary disorder with systemic manifestations)
Yemenite deaf-blind hypopigmentation syndrome

Drug eruptions
Drug eruptions are adverse drug reactions that present with cutaneous manifestations.