1. Acne
1.1. comedones and/or papules, pustules, cysts
1.1.1. skin extremely oily; large superficial pimples, rosacea
1.1.1.1. Sulphur
1.1.2. boils in crops, pimples you want to pop; painful
1.1.2.1. hepar sulph
1.1.3. shame about the appearance; pustules w/ sunken centers
1.1.3.1. thuja
1.1.4. Purplish?
1.1.4.1. Purplish around pimples, purple scars w/o pitting < before menses
1.1.4.1.1. Lachesis
1.1.5. Pussy?
1.1.5.1. diffuse, on checks, hard deep pimples, pussy, pitting
1.1.5.1.1. silica
1.1.5.2. persisting for weeks; thick creamy pus, lower face
1.1.5.2.1. calc-sulph
1.1.6. bluish-red?
1.1.6.1. pus showing through skin OR blue-red nodules w/o pus
1.1.6.1.1. Mercurius
1.1.6.2. Large bluish-red; burning/ prickling sensation; depressed scars, never on lower face
1.1.6.2.1. Kali-bromium
1.2. DDX: Pseudofolliculitis barbae, hydradenitis suppurtiva, rosacea, systemic lupus erythmatosis
2. Psoriasis
2.1. well-demarcated plaques and papules, silvery scale; pinpoint bleeds when scale removed (auspitz sign); accompanied by pitting of the nails
2.1.1. likes cold
2.1.1.1. psoriasis with pleasurable itching; < night, becoming heated, when suppressed
2.1.1.1.1. Sulphur
2.1.2. likes heat
2.1.2.1. burns on scratching, > warmth
2.1.2.1.1. Arsenicum
2.1.2.2. psoriasis w/ deep bleeds and cracks; feels cold in the raw spot, < winter, cold
2.1.2.2.1. Petroleum
2.1.2.3. psoriasis located on genetalia or around anus; not itching - unless severe itching; < winter; menses
2.1.2.3.1. Sepia
2.1.3. psoriaris located at folds or along old scars, cracked & oozes a thick serum
2.1.3.1. Graphites
2.2. 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.
3. Urticaria
3.1. edematous, pruritic pink wheals of variable size and shape, fast onset
3.1.1. likes heat
3.1.1.1. very large patches w/ prickling itching; <getting wet, cold, rubbing, > during sweating, scalding water
3.1.1.1.1. Rhus-Tox
3.1.2. likes cold
3.1.2.1. swelling < becoming overheated
3.1.2.1.1. Apis
3.1.2.2. stinging, violent itching & constant rubbing, > heat, < rubbing
3.1.2.2.1. Urtica urens
3.1.3. recurrent or chronic urticaria, < emotional stress, rubbing
3.1.3.1. Nat Mur
3.2. DDX: • Erythema multiforme • Drug eruptions • Still’s disease • Insect bites
4. Eczema
4.1. Erythema, vessicles, scaling, excoriation, crusts, pruritis; chronic forms lead to lichenification
4.1.1. Eczema located at folds in the skin; deep cracks and honey d/c; < at night
4.1.1.1. Graphites
4.1.2. likes cold
4.1.2.1. Eczema on hands/feet only; geometric pattern; > cold air (though they are cold)
4.1.2.1.1. Mezereum
4.1.2.2. Red hot eczema; < heated, bathing or with suppression; > cold
4.1.2.2.1. Sulphur
4.1.3. likes heat
4.1.3.1. Dry painful eczema at corners and skin folds; feels cold in raw spot < winter, cold
4.1.3.1.1. Petroleum
4.1.3.2. Very dry eczema, > heat & warm bathing
4.1.3.2.1. Arsenicum
4.1.3.3. Eczema with significant despair and depression about their condition, located at folds in skin; > warmth
4.1.3.3.1. Psorinum
4.2. DDX: contact dermatitis, scabies, seborrheic dermatitis, tinea infection
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