Dermatology

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Dermatology by Mind Map: Dermatology

1. Urticaria

1.1. edematous, pruritic pink wheals of variable size and shape, fast onset

1.1.1. likes heat

1.1.1.1. very large patches w/ prickling itching; <getting wet, cold, rubbing, > during sweating, scalding water

1.1.1.1.1. Rhus-Tox

1.1.2. likes cold

1.1.2.1. swelling < becoming overheated

1.1.2.1.1. Apis

1.1.2.2. stinging, violent itching & constant rubbing, > heat, < rubbing

1.1.2.2.1. Urtica urens

1.1.3. recurrent or chronic urticaria, < emotional stress, rubbing

1.1.3.1. Nat Mur

1.2. DDX: • Erythema multiforme • Drug eruptions • Still’s disease • Insect bites

2. Acne

2.1. comedones and/or papules, pustules, cysts

2.1.1. skin extremely oily; large superficial pimples, rosacea

2.1.1.1. Sulphur

2.1.2. boils in crops, pimples you want to pop; painful

2.1.2.1. hepar sulph

2.1.3. shame about the appearance; pustules w/ sunken centers

2.1.3.1. thuja

2.1.4. Purplish?

2.1.4.1. Purplish around pimples, purple scars w/o pitting < before menses

2.1.4.1.1. Lachesis

2.1.5. Pussy?

2.1.5.1. diffuse, on checks, hard deep pimples, pussy, pitting

2.1.5.1.1. silica

2.1.5.2. persisting for weeks; thick creamy pus, lower face

2.1.5.2.1. calc-sulph

2.1.6. bluish-red?

2.1.6.1. pus showing through skin OR blue-red nodules w/o pus

2.1.6.1.1. Mercurius

2.1.6.2. Large bluish-red; burning/ prickling sensation; depressed scars, never on lower face

2.1.6.2.1. Kali-bromium

2.2. DDX: Pseudofolliculitis barbae, hydradenitis suppurtiva, rosacea, systemic lupus erythmatosis

3. Eczema

3.1. Erythema, vessicles, scaling, excoriation, crusts, pruritis; chronic forms lead to lichenification

3.1.1. Eczema located at folds in the skin; deep cracks and honey d/c; < at night

3.1.1.1. Graphites

3.1.2. likes cold

3.1.2.1. Eczema on hands/feet only; geometric pattern; > cold air (though they are cold)

3.1.2.1.1. Mezereum

3.1.2.2. Red hot eczema; < heated, bathing or with suppression; > cold

3.1.2.2.1. Sulphur

3.1.3. likes heat

3.1.3.1. Dry painful eczema at corners and skin folds; feels cold in raw spot < winter, cold

3.1.3.1.1. Petroleum

3.1.3.2. Very dry eczema, > heat & warm bathing

3.1.3.2.1. Arsenicum

3.1.3.3. Eczema with significant despair and depression about their condition, located at folds in skin; > warmth

3.1.3.3.1. Psorinum

3.2. DDX: contact dermatitis, scabies, seborrheic dermatitis, tinea infection

4. Psoriasis

4.1. well-demarcated plaques and papules, silvery scale; pinpoint bleeds when scale removed (auspitz sign); accompanied by pitting of the nails

4.1.1. likes cold

4.1.1.1. psoriasis with pleasurable itching; < night, becoming heated, when suppressed

4.1.1.1.1. Sulphur

4.1.2. likes heat

4.1.2.1. burns on scratching, > warmth

4.1.2.1.1. Arsenicum

4.1.2.2. psoriasis w/ deep bleeds and cracks; feels cold in the raw spot, < winter, cold

4.1.2.2.1. Petroleum

4.1.2.3. psoriasis located on genetalia or around anus; not itching - unless severe itching; < winter; menses

4.1.2.3.1. Sepia

4.1.3. psoriaris located at folds or along old scars, cracked & oozes a thick serum

4.1.3.1. Graphites

4.2. DDX: • Contact dermatitis. • Atopic dermatitis. • Tinea. • Candidiasis. • Mycosis fungoides. • Cutaneous systemic lupus erythematosus. • Secondary and tertiary syphilis. • Drug eruption. • Seborrheic dermatitis. • Pityriasis rosea. • Lichen planus.

5. Herpes Simplex

5.1. grouped vessicles of uniform size, erythemetous base, may be preceded by tingling

5.1.1. oral herpes

5.1.1.1. w/ chapped raw skin, < menstrual cycle

5.1.1.1.1. Sepia

5.1.1.2. comes on with emotila sress; < sun exposure

5.1.1.2.1. Nat- mur

5.1.1.3. itchy angry lesions > hot bathing

5.1.1.3.1. Rhus Tox

5.1.2. genetal herpes

5.1.2.1. coldness in spot after scratching

5.1.2.1.1. Petroleum

5.1.2.2. < during menses: < during urination

5.1.2.2.1. sepia

5.1.2.3. painful reminder of lost/betrayed relationship; w/ albuminous leukorrhea

5.1.2.3.1. Nat-mur

5.1.2.4. w/ small ulcers, discharge. stitching/splinter like sensation

5.1.2.4.1. Nitric acid

5.1.3. pain extends down back of the thigh; > warm applications

5.1.3.1. Arsenicum

5.2. DDX: Varicella and herpes zoster (shingles) Pemphigus vulgaris (autoimmune blistering disease) Impetigo Apthous ulcers (cancker sores) Herpangina Chancroid (Haemophilus ducreyi STI) Syphilis

6. Impetego

6.1. honey coloured crusts and erosions; located where skin is open; bacterial infection

6.1.1. worse with heat

6.1.1.1. < night; heat in bed

6.1.1.1.1. Graphities

6.1.1.2. chronic or acute, < heat and bathing, > open air

6.1.1.2.1. Antimonium crude

6.1.2. oily or sweaty; yellow green crusts; neglected wounds & poor hygeine

6.1.2.1. sulphur

6.1.3. sore itchy; pustules unite in a greenish crust

6.1.3.1. Mercurius

6.2. DDX: varicella, tinea, herpes simplex, dermatitis, discoid lupus, scabies