Signs and Symptoms - F to H
facial abnormalities | Ambras s., Bloom’s s., cardio-facio-cutaneous s., DiGeorge s., Gorlin’s s., Hallermann-Streiff s., Neu-Laxova s., Pallister-Killian s., Rubinstein-Taybi s., Russell-Silver s., Ruvalcaba-Myhre-Smith s., Sotos’ s., PIBIDS s., Williams s. |
facial palsy/paralysis | Heerfordt s., Melkersson-Rosenthal s., mycosis fungoides, Melkersson’s s., Ramsay-Hunt s. |
failure to thrive | chronic granulomatous d., homocystinuria, Leiner’s d., Netherton’s s., Omenn’s s., Partingtons s., SCIDs |
feet (common foot lesions) | black heel, black toe, callous, clavus, contact dermatitis, digital fibromatosis, eccrine poroma, hyperkeratosis plantaris, infantile digital fibroma, mal perforans, myxoid cyst, piezogenic papules, pitted keratolysis, pompholyx, PPK, pustulosis plantaris, pyoderma, tinea pedis, verrucae |
fertility abnormalities | IBIDS s. |
fever (skin diseases associated with fever) | acne fulminans, carbuncle, cold urticaria, cytophagic histiocytic panniculitis, dermatomyositis, erythema nodosum, erythema multiforme, familial Mediterranean fever, familial cold urticaria, LE, Lofgren’s s., lymphomatoid granulomatosis, malignant histiocytosis, Muckle-Wells s., pustular psoriasis, of Reiter’s d. (arthritis), sarcoidosis, Schnitzler’s s., serum sickness s., Stevens-Johnson s., Sweet’s s., systemic nodular panniculitis, TEN, toxic shock s., ulceronecrotic PLEVA, Weber-Christian d., Whipple’s d. |
fever & rash, child | dengue, dermatomyositis, erysipelas, gonococcemia, Henoch-Schönlein purpura, hepatitis (acute), hypersensitivity vasculitis, juvenile RA, Kawasaki’s d., leptospirosis, Lyme d., meningococcemia, mononucleosis, rheumatic fever, RMSF, scarlet fever, SLE, Still’s d., SSSS, viral exanthem |
figurate erythema | annular erythema of infancy, annular urticaria, bullous pemphigoid, chronic granulomatous d. (carrier mothers),erythema annulare centrifugum, erythema gyratum repens, erythema marginatum, erythema migrans, erythema multiforme, familial annular erythema, LE (annular), mycosis fungoides, necrolytic migratory erythema, psoriasis (annular), tinea |
fingerpad infarcts | scleroderma, SLE |
fish-mouth wound healing | Ehlers-Danlos s. |
fistulas | amebiasis, chronic granulomatous d., Crohn’s d., LGV, lobomycosis, nevus comedonicus, scrofuloderma, sporotrichosis, tuberculosis fistulosa subcutanea |
flag sign | bands of light & dark dyspigmented hair; kwashiorkor |
flaky paint dermatitis | erosion & peeling skin; kwashiorkor |
fleur-de-lis nose | flattened nasal bridge; congenital syphilis AKA saddle nose |
flushing | alcoholism, anxiety, blushing, cancer (bronchus, pancreas, renal, small bowel, stomach, teratoma, thyroid), carcinoid s., cardiopulmonary d., cholinergic erythema, disulfiram-like medications, drugs, emotional, foods, harlequin s. (unilateral), horseshoe kidneys (Rovsing’s s.), hyperthermia, leukemia (basophilic chronic granulocytic), male hypogonadism, mastocytosis, menopause, migraine headaches, Parkinson’s d., pheochromocytoma, rosacea, spinal cord lesions |
formication | sensation like bugs crawling across skin; delusions of parasitosis |
freckling, axillary | neurofibromatosis AKA Crowe’s sign |
frog spawn | clustered vesicles; lymphangioma circumscriptum |
fugitive swellings | see Calabar swellings |
gangrene, digital | arteriosclerosis obliterans, atheromatous embolism, RA, Raynaud’s d. |
genital abnormalities | LEOPARD s., Moynahan’s s. |
genital ulceration | chancroid, eosinophilic granuloma of bone, fusospirillary infection (erosive balanitis), Hand-Schuller-Christian d., herpes simplex, leukemia cutis, primary histoplasmosis, syphilis |
genital, female (common abnormal skin findings on female genitalia) | allergic contact dermatitis, aphthae, bullous erythema multiforme, Candida vulvitis, Candida vulvovaginitis, chancres, chancroid, cicatricial pemphigoid, Crohn’s d., cysts, eczema, fixed drug eruption, granuloma inguinale, HSV, hidradenitis suppurativa, irritant contact dermatitis, lichen planus, lichen sclerosis, Paget’s d., pemphigus vulgaris, pruritus vulvae, psoriasis SCC, syringoma, vulvar fissure, vulvodynia, verrucae |
genital, male (common abnormal skin findings on male genitalia) | acquired nevomelanocytic nevi, acrochordon, fibroepithelial polyp, acute scrotum, allergic contact dermatitis, amebiasis, amyloidosis, angiokeratoma, aphthosis, atopic dermatitis, bacterial infection, balanitis, balanoposthitis, BCC, Becker’s nevus, Behc3et’s d., benign epidermal tumor, benign penile melanosis, benign penile lentiginosis, cicatricial pemphigoid, contact urticaria, cutaneous larva migrans, CTCL, dartoic leiomyoma, ecthyma gangrenosum, ectopic sebaceous glands, edema, epithelioid hemangioendothelioma, erythema multiforme, erythrasma, extramammary Paget’s d., fixed drug eruption, Fournier’s gangrene, fungal infection, genital verrucous carcinoma, glomangioma, glomus tumor, granular cell tumor, herpes simplex, hidradenitis suppurativa, human papillomavirus, idiopathic calcinosis of scrotum, idiopathic pain, irritant contact dermatitis, juvenile xanthogranuloma, Kaposi’s sarcoma, leiomyosarcoma, rhabdomyosarcoma, lichen nitidus, lichen planus, lichen sclerosis lichen simplex, lymphangioma circumscriptum, lymphatic filariasis, malignant fibrous histiocytoma, malignant melanoma, molluscum contagiosum, neurilemmoma, neurofibroma, pediculosis pubis, pemphigus vulgaris, Peyronie’s d., phimosis, paraphimosis, pityriasis rosea, priapism, pruritus ani, micaceous balanitis of Civatte, psoriasis vulgaris, Reiter’s s., sarcoma, scabies, schistosomiasis, sclerosing lymphangitis, scrotal cyst, seborrheic dermatitis, seborrheic keratoses, SCC, squamous intraepithelial lesion, syringoma, trichomycosis pubis, tuberculosis, varicella-zoster virus, verruciform xanthoma, vitiligo |
gigantism | Beckwith-Wiedemann s., EMG s. |
gingival hypertrophy | Cross-McKusick-Breen s., dilantin, Zimmerman-Laband s. |
glaucoma | cutis marmorata telangiectatica congenita |
glistening dots | retinoscopic finding; Sjogren-Larsson’s s. |
glossitis | see mouth & mucous membrane section |
goose flesh, permanent | hard nodules around hair follicles; starvation |
goose skin | prickled skin; pellagra |
grained leather appearance | yellow to tan lichenified plaques; infiltrative mastocytosis |
gray patch | discrete, gray, lusterless hair; tinea capitis |
gray skin | chlorpromazine administration |
grocer itch | pruritus due to mite bites |
groove sign | groove between two muscle bundles; eosinophilic fasciitis |
growth, increased | acromegaly, Berardinelli’s s., Marfan’s s., total lipodystrophy |
growth, stunted | AEC s., Albright’s s., autosomal recessive cutis laxa, BIDS s., Bloom’s s., cardio-facio-cutaneous s., Cockayne’s s., DeBarsy’s s., De Sanctis-Cacchione s., dominant dystrophic epidermolysis bullosa, (Cockayne-Touraine), dystrophic epidermolysis bullosa (Albopapuloidae type), Ehlers-Danlos s. type VII (arthrocholasis multiplex), Fabry’s d., Fischer-Jacobsen-Clouston s., IBIDS, incontinentia pigmenti, juvenile hyaline fibromatosis, keratosis follicularis (Darier’s), LEOPARD s., leprechaunism, Maffucci’s s., Marinesco-SjØgren s., Morquio, Moynahan’s s., Noonan’s s., Olmsted’s s., pangeria, peeling skin s., progeria, Rothmund-Thomson s., Rubinstein-Taybi s., Rud’s s., Satoyoshi’s s., Schwachman’s s., Shapira’s s., systematized mesodermal dysplasia, Turner’s s., Werner’s s., Winchester s., xeroderma pigmentosa |
gumma | ulcerative reaction to treponemes; tertiary syphilis |
gynecomastia | aging, Basex s., cimetidine, hemodialysis, hepatic failure, Klinefelter’s s., leprous orchitis, myotonic dystrophy, Nizoral, obesity, paraplegia, penicillamine, physiologic, POEMS s., Silvestrini-Corda s., spironolactone, starvation, systemic steroids, testicular failure, testicular tumors (interstitial cell tumor, seminoma, Sertoli cell tumor, teratomas) |
gyrate erythema | see figurate erythema |
halo phenomenon | blue nevi, compound nevi, congenital nevi, epithelioid nevi, intradermal nevi, melanoma, neurofibroma, seborrheic keratoses, spindle nevi |
hamartomatous polyps | Cowden’s s. |
hanging groin | folds of inelastic inguinal skin with LAD; onchocerciasis |
harlequin sign | reddened lower half of body & blanching of upper half; infancy (temporary vasomotor disturbance) |
head light sign | sparing of nose and surrounding skin; atopic dermatitis |
headaches | anti-phospholipids of SLE, cold urticaria, cyclosporine, familial cold urticaria, giant cell arteritis, griseofulvin, indomethacin, nalidixic acid, OCPs, Raeder’s s., TMP-SMX, vasodilators |
heart block | atrophoderma vermiculata, Chagas d., Lyme d., neonatal LE, PSS, Reiter’s d., sarcoidosis, SLE |
heat intolerance | congenital ichthyosiform erythroderma, Franceschetti-Jadassohn s., lamellar ichthyosis |
heliotrope rash | violaceous color of eyelids; aldosterone-producing tumors, dermatomyositis, toxoplasmosis, trichinosis |
hemangioma | epidermal nevus s., Klippel-Trenaunay-Weber s., Maffucci’s s. |
hematuria | Henoch-Schönlein purpura, roseola |
hemidysplasia | CHILD s. |
hemihypertrophy | Beckwith-Wiedemann s. |
hemiparesis | Sturge-Weber s. |
hemiplegia | Partingtons s. |
hemorrhage | Hermansky-Pudlak s., Letterer-Siwe d. |
hemorrhage, gastrointestinal | Peutz-Jeghers s., pseudoxanthoma elasticum |
hepatomegaly | exfoliative erythroderma, Sanfilippo’s s., Schnitzler’s s. |
hepatosplenomegaly | Beckwith-Wiedemann s., Chediak-Higashi s., exfoliative erythroderma, Griscelli s., hemochromatosis, hypereosinophilic s., Langerhan’s cell histiocytosis, Letterer-Siwe d., mastocytosis s., runting s., TORCH s., Wiskott-Aldrich s. |
herald patch | first appearing erythematous plaque; pityriasis rosea AKA mother patch, plaque primitive, primary medallion, primary plaque |
heterochromic irides | Fisch’s s., infantile neuroblastoma, nail-patella s., piebaldism, Romberg’s s., Waardenburg’s s. |
hirsuitism | see hair section |
hoarseness | dominant dystrophy epidermolysis bullosa (Cockayne-Touraine), endemic syphilis (bejel) early secondary stage, Farber’s d., keratosis lichenoides chronica, lipoid proteinosis, pachyonychia congenita, xanthoma disseminatum |
hypercarotenemia | dietary, hypothyroidism |
hypercortisolism | acanthosis nigricans, acne, atrophic skin, hyperpigmentation, hypertrichosis, poor wound healing, striae, telangiectasia |
hyperesthesia | brown recluse spider bite, diabetes mellitus, erythema nodosum, erythromelalgia, herpes zoster, Melkersson-Rosenthal s., paroxysmal finger hematoma, Raynaud’s phenomenon, temporal arteritis, thrombophlebitis |
hyperhidrosis, generalized | acrocyanosis, acrokeratoelastoidosis, acromegaly, atopic dermatitis, acrodynia, acroangiodermatitis, AV malformations, Book’s s., causalgia, dermatomyositis, diabetes mellitus, drug withdrawal, EBS-Weber-Cockayne, epidermolysis bullosa (Koebner), familial autonomia (Riley-Day s.), Gamborg-Nielson PPK, Hines & Bannick s., hyperpituitarism, hyperthyroidism, hypoglycemia, incontinentia pigmenti, lymphoma, malaria, mal de Meleda, menopause, palmar-plantar keratoderma, Papillion-Lefevre s., pheochromocytoma, pitted keratolysis, pompholyx, pregnancy, shock, syringomyelia, tar melanosis, tuberculosis, Unna-Thost s., Weber-Cockayne s. |
hyperhidrosis, localized | blue rubber bleb nevus, eccrine angiomatous hamartoma, eccrine nevus, frostbite, glomus tumor, nevus sudoriferous, reflex sympathetic dystrophy, tinea corporis, tinea versicolor, trichomycosis axillaris |
hyperhidrosis, palms & soles | Book s., chloracne, emotional stress, onycholysis, plantar warts, shoe dermatitis, tinea pedis, Unna-Thost s., Zinsser-Cole-Engman s. |
hyperkeratosis | Neu-Laxova s., Omenn s., peeling skin s., Refsum’s d. |
hyperkeratosis, palms & soles | peeling skin s., Zinsser-Cole-Engman s. |
hyperlipidemia | biliary cirrhosis (primary), diabetes mellitus, isotretinoin, multiple myeloma, myxedema, nephrotic s., OCP's, pancreatitis (chronic), paraproteinemia |
hypermelanosis | see hyperpigmentation |
hyperostosis | SAPHO s., Schnitzler’s s. |
hyperparathyroidism | central giant cell granuloma, racket nail |
hyperpigmentation | acromegaly, Addison’s d., AIDS, acromegaly, amyloidosis, arsenic ingestion, asthma, carcinoid s., cirrhosis, Cushing’s d., dermatomyositis, drugs, ependymoma, erythema dyschromicum perstans, erythema multiforme, folate/B12 deficiency, Grave’s d., GVHD, hemochromatosis, hemodialysis, Hodgkin’s d., hyperthyroidism, hypothyroidism, IVDA, infection (malaria, kala-azar, tuberculosis, schistosomiasis), kwashiorkor, lichen planus, lymphoma, melasma, menses, metastatic malignant melanoma, morphea, Nelson’s s., neoplasia, nevus of Ito/Ota, pellagra, pemphigus vulgaris, pheochromocytoma, phyrnoderma, POEMS s., porphyria cutanea tarda, pregnancy, PSS, rheumatoid arthritis, SLE, Schilder’s d., schizophrenia, scurvy, sprue, Still’s d., Vagabond’s d., variegate porphyria, visceral leishmaniasis, vitamin B12 deficiency, Whipple’s d., Wilson’s d. |
hyperpigmentation, Addison disease-like | Addison’s d., ACTH administration, acromegaly, AIDS, carcinoid, cirrhosis, Cushing’s s., hepatolenticular degeneration, hyperthyroidism, lymphoma, Nelson’s s. (ACTH producing), pheochromocytoma, POEMS s., PCT, Schilder’s d., scleroderma, Siemerling-Cruezfeldt d., Still’s d. |
hyperpigmentation, blue | blue nevus, Carleton-Biggs s., Levene’s s., melanoma, Mongolian spots, nevus of Ota, nevus of Ito |
hyperpigmentation, dermal | melanocytotic: blue melanocytotic nevus, Carleton-Biggs s., Levene’s s., Mongolian spot, nevus of Ito, nevus of Ota melanotic: chronic nutritional deficiency, erythema ab igne, erythema dyschromicum perstans, fixed drug eruption, Franceschetti-Jadassohn s., hemochromatosis, incontinentia pigmenti, macular amyloidosis, melanoma, melasma, Parry-Romberg s., pinta, post-inflammatory, Riehl’s melanosis non-melanotic: alkaptonuria, drugs, heavy metals, ochronosis, tattoos |
hyperpigmentation, melanocytotic | centrofacial neurodysraphic lentiginosis, lentigines, lentigo, LEOPARD s., Moynahan’s s., Peutz-Jeghers s., PUVA tan, solar lentigo, Sotos’ s., UV tan |
hyperpigmentation, melanotic | chemical: arsenic, berloque dermatitis, bleomycin, busulfan, cyclophosphamide, 5-fluorouracil (systemic), nitrogen mustard (topical), psoralen, tar developmental: acropigmentation of Dohi, acropigmentation of Kitamura, Becker’s melanosis, café-au-lait macule (Albright’s s., Bloom’s s., gastrocutaneous s., neurofibromatosis, Silver-Russell s., Watson’s s., Westerhof’s s.), carbon baby s., dermatopathia pigmentosa reticularis, Dowling-Degos d., dyskeratosis congenita, ephelides, familial periorbital hyperpigmentation, familial progressive hyperpigmentation, Fanconi’s s., human chimera, ichthyosis nigricans, LAMB s., NAME s., neurocutaneous melanosis, nevus spilus, POEMS s., Siemerling-Creutzfeldt d. endocrine: ACTH and MSH producing tumors, ACTH therapy, Addison’s d., Carney’s complex s., estrogen therapy, melasma, pregnancy inflammatory: atopic dermatitis, DLE, lichen planus, lichen simplex, postinflammatory melanosis, psoriasis, tinea versicolor metabolic: Gaucher’s d., hemochromatosis, hepatolenticular degeneration, Niemann-Pick d., PCT miscellaneous: chronic hepatic insufficiency, Cronkhite-Canada s., scleroderma, Whipple’s s. neoplastic: acanthosis nigricans (associated with adenocarcinoma, lymphoma), mastocytosis, melanoma nutritional: Kwashiorkor, pellagra, sprue, vitamin B12 deficiency physical: trauma, UV tan |
hyperpigmentation, postinflammatory | atopic dermatitis, contact dermatitis, exanthems, drug eruptions, primula, rhus dermatitis, stasis dermatitis |
hyperpigmentation, reticulated | Dowling-Degos d., dyskeratosis congenita, Franceschetti-Jadassohn s., Kitamura s., Partingtons s., progeria, Zinsser-Cole-Engman s. |
hypersplenism | Tay’s s. |
hypertelorism | basal cell nevus s., cri du chat s., LEOPARD s., neurofibromatosis, Noonan’s s., thymic hypoplasia, Pallister-Killian s. |
hypertension | cyclosporine, giant cell arteritis, livedo reticularis, neurofibromatosis, nodular vasculitis, polyarteritis nodosa, pseudoxanthoma elasticum, SLE |
hyperthyroidism | acanthosis nigricans, alopecia, alopecia areata, clubbing, dermatographism, flushing, herpes gestationis, hyperhidrosis, koilonychia, onycholysis, pigmented eyelids, onycholysis, palmar erythema, hyperhidrosis, hyperpigmentation, myxedema (pretibial), McCune-Albright s., onycholysis, Plummer’s nail, pruritus, reticulated erythematous mucinosis, telangiectasia, urticaria, vitiligo |
hypertrichosis | see hair section |
hypocortisolism | hyperpigmentation, loss of axillary hair, mucocutaneous candidiasis, vitiligo |
hypodontia | Schopf-Schulz-Passarge s., Seckel’s s. |
hypogonadism | ataxia telangiectasia, Bloom’s s., Crandall’s s., DeSanctis Cacchione s., Fanconi’s s., hemochromatosis, Kallmann’s s., Klinefelter’s s., Moynahan’s s., Noonan’s s., pangeria (Werner’s s.), Prader-Willi s., Rothmund-Thomson s., Rud’s s., Silvestrini-Corda s., xeroderma pigmentosa |
hypohidrosis | acquired ichthyosis, Basex s., congenital sensory neuropathy, cretinism, Fabry’s d., Franceschetti-Jadassohn s., hypothyroidism, leprosy, lichenoid drug eruption, NLD, PSS, post-miliarial hypohidrosis, progeria, sciatic injury, Sjögren’s s., striate keratoderma, sunburn, trench foot |
hypohidrosis, localized | blue rubber bleb nevus, causalgia, glomus tumor, Goplan’s d., pachydermoperiostosis, painful pretibial myxedema, POEMS s. |
hypomelanosis | see hypopigmentation |
hypoparathyroidism | Rothmund-Thomson s. |
hypopigmentation | Addison’s d., antimalarials, chronic protein deficiency, GVHD, halo nevus, hypopituitarism, Kwashiorkor, malignant melanoma, monobenzyl ether of hydroquinone, para-tertiary butyl phenol, pernicious anemia, post-inflammatory hypopigmentation, post kala-azar dermal leishmanoid, SCLE, selenium deficiency, systemic steroid administration, thyroid d., vitiligo |
hypopigmentation, melanocytopenic | chemical: catechols, monobenzylether of hydroquinone, p-substituted phenols, sulfhydryls dietary: vitamin B12 deficiency genetic: ataxia telangiectasia, piebaldism, phenylketonuria, Vitiligo (Alezzandrini’s s., idiopathic, Vogt-Koyanagi-Harada s.), Waardenburg’s s., Woolf’s s., xeroderma pigmentosa, Ziprokowski-Margolis s. inflammatory: actinic reticuloid, mycosis fungoides, onchocerciasis, pityriasis lichenoides chronicus, pinta, yaws miscellaneous: alopecia areata, scleroderma neoplastic: halo nevus, leukoderma acquisitum centrifugum physical: burns, trauma |
hypopigmentation, melanopenic | albinism: Type I OCA; A; tyrosinase negative, B; yellow, MP; minimal pigment, TS; temperature sensitive Type II OCA; tyrosinase positive, unclassified Type III OCA; Chediak-Higashi s., Cross-McKusick-Breen s., Griscelli s., Hermansky-Pudlak s., rufous, BADS s., canities premature, Fanconi’s s., histidinemia, homocystinuria, Horner’s s., hypomelanosis of Ito and mosaicism, Menkes’ kinky hair, nevus depigmentosus, tuberous sclerosis chemical: arsenic, chloroquine, glucocorticoids, hydroxychloroquine, hydroquinone, mercaptoethylamines, retinoids endocrine: Addison’s d., hypopituitarism, hypothyroidism iatrogenic: post dermabrasion, post laser inflammatory: leprosy, pityriasis alba, postinflammatory (discoid lupus, eczema, psoriasis), post Kala-azar, sarcoidosis, syphilis, tinea versicolor miscellaneous: canities, Horner’s s., idiopathic guttate hypomelanosis, Vagabond’s leukoderma neoplastic: melanoma nutritional: chronic protein loss, Kwashiorkor, malabsorption, nephrosis, ulcerative colitis |
hypopigmentation, non-melanotic | anemia, edema, nevus anemicus, Woronoff’s ring |
hypopigmentation, perifollicular | Darier’s d., Grover’s d., tinea versicolor, vitiligo |
hypopigmentation, postinflammatory | alopecia mucinosa, atopic dermatitis, CTCL, DLE, eczema, psoriasis, guttate parapsoriasis, lichen planus, lichen sclerosis, lichen striatus, pityriasis lichenoides chronica, seborrheic dermatitis |
hypopyon | pustule with clear fluid above dependent pus; Sneddon-Wilkinson d. |
hypotension | Addison’s d., toxic shock s. |
hypothermia | Hines & Bannick s. |
hypothyroidism | acanthosis nigricans, cutis verticis gyrata, dermatographism, eruptive xanthoma, erythema ab igne, hypercarotenemia, keratosis pilaris macroglossia, myxedema, onycholysis, POEMS s., reticulated erythematous mucinosis |
hypotonia | Elejalde s. |
hystrix | porcupine-like (hyperkeratosis); ichthyosis hystrix of Curth & Macklin |

