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Dermatology Diagnosis & Treatment Simplified
Comprehensive dermatology video course — skin anatomy, inflammatory conditions, infections, autoimmune disease, skin cancers, nail disorders, cutaneous signs of systemic disease, and antimicrobial pharmacology from Medicosis Perfectionalis and JJ Medicine
112Tutorial Videos
11Modules
100%Free Access
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Skin Anatomy & Foundations
5 videosWhat's the Largest Organ in Your Body? — The Skin
Integumentary system overview — epidermis, dermis, hypodermis, and skin functions.
The Skin — Anatomy & Histology
Detailed skin histology — keratinocytes, melanocytes, Langerhans cells, and Merkel cells.
Cleavage Lines of the Skin | Surgical Significance
Langer's lines — orientation, surgical incision planning, and wound healing implications.
Skin Creases | Fingerprints & Striae
Flexure lines, dermatoglyphics, stretch marks, and clinical significance.
Introduction to Dermatology | Describing Skin Lesions
Primary and secondary morphology — macules, papules, vesicles, plaques, and systematic description.
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Inflammatory Skin Conditions
15 videosAtopic Dermatitis (Eczema) — Mnemonic
Atopic triad, pathophysiology, distribution by age, and treatment ladder.
Eczema (Atopic Dermatitis) | Triggers & Treatment
Triggers, barrier dysfunction, emollients, topical steroids, and calcineurin inhibitors.
Eczema and Skin Cancer
Relationship between eczema, immune dysregulation, and skin cancer risk.
Contact Dermatitis
Irritant vs allergic — patch testing, common allergens, and management.
Contact Urticaria vs Contact Dermatitis
Differentiating immediate IgE-mediated urticaria from delayed contact dermatitis.
Psoriasis | Causes, Subtypes & Treatment
Plaque, guttate, pustular, inverse psoriasis — biologics and topical therapy.
Seborrheic Dermatitis (Dandruff & Cradle Cap)
Malassezia association, distribution, and antifungal/steroid treatment.
Pityriasis Rosea | Causes, Symptoms & Treatment
Herald patch, Christmas tree distribution, and self-limited course.
Lichen Planus | Purple Skin Lesions
5 P's — pruritic, purple, polygonal, planar papules, and Wickham striae.
Erythema Multiforme — Mnemonic
Target lesions, HSV/drug triggers, Stevens-Johnson spectrum.
Erythema Nodosum
Painful nodules on shins — causes, biopsy, and management.
Erythema Nodosum (JJ Medicine)
Red lumps on legs — causes, signs, diagnosis, and treatment.
Prurigo Nodularis | Itchy Nodules
Chronic pruritic nodules — pathophysiology, diagnosis, and treatment.
Intertrigo
Skin fold inflammation — moisture, friction, Candida, and management.
Phytophotodermatitis | Fruit Juice & Sunlight Reaction
Psoralen-containing plants, UV exposure, and blistering reaction.
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Bacterial Skin Infections
9 videosImpetigo | Infection, Subtypes & Treatment
Bullous vs non-bullous — S. aureus, Group A Strep, and topical/systemic antibiotics.
Cellulitis vs Erysipelas
Bacterial causes, clinical differentiation, and antibiotic selection.
Erysipelothrix vs Erysipelas
Comparing Erysipelothrix rhusiopathiae infection with streptococcal erysipelas.
Folliculitis | Bacterial, Fungal & Viral
Hot tub folliculitis, S. aureus, and Pityrosporum folliculitis.
Pseudofolliculitis Barbae (Razor Bumps)
Shaving-related inflammation — causes, complications, and prevention.
Staphylococcal Scalded Skin vs Erythema Toxicum
Neonatal rash differentiation — exfoliatin toxin vs benign neonatal rash.
Leprosy (Hansen Disease)
M. leprae — tuberculoid vs lepromatous, clinical features, and dapsone therapy.
Nocardia — Aerobic Filamentous Bacteria
Branching gram-positive rods — pulmonary and cutaneous nocardiosis.
Acne Vulgaris — Propionibacterium acnes
Microbiology of acne — biofilm, antibiotic resistance, and treatment.
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Fungal & Parasitic Skin Infections
8 videosOverview of Fungal Skin Infections | Tinea
Dermatophytes — KOH prep, Wood's lamp, and antifungal selection.
Ringworm (Tinea Corporis)
Annular scaly plaque with central clearing — diagnosis and treatment.
Jock Itch (Tinea Cruris)
Groin dermatophytosis — predisposing factors and management.
Athlete's Foot (Tinea Pedis)
Interdigital, moccasin, and vesicular types — treatment approach.
Tinea Capitis | Scalp Fungal Infection
Pediatric scalp infection — kerion, oral griseofulvin, and screening.
Tinea Versicolor | Fungal Infection of Many Colors
Malassezia — hypo/hyperpigmented macules and topical antifungals.
Scabies | Classic vs Crusted
Sarcoptes scabiei — burrows, nocturnal pruritus, and permethrin treatment.
Leishmaniasis — Mnemonic
Protozoan infection — sandfly vector, cutaneous/visceral forms.
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Viral Skin Infections
7 videosSkin Warts (Verrucae) | HPV Subtypes & Treatment
Common, plantar, flat, genital warts — cryotherapy, salicylic acid, and imiquimod.
Cold Sores | Oral Herpes
HSV-1 — triggers, prodrome, acyclovir, and prevention.
Shingles (Herpes Zoster)
VZV reactivation — dermatomal rash, PHN, and vaccination.
Chickenpox (Varicella)
Primary VZV — centripetal rash, crops of lesions, and complications.
Molluscum Contagiosum
Poxvirus — umbilicated papules, self-resolution, and treatment.
Measles (Rubeola)
Paramyxovirus — Koplik spots, morbilliform rash, and complications.
Fever & Rash on Palms and Soles
Differential diagnosis — RMSF, secondary syphilis, endocarditis, and more.
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Acne & Rosacea
6 videosAcne Vulgaris | Causes, Subtypes & Treatment
Comedones, papules, pustules, cysts — retinoids, antibiotics, and isotretinoin.
Acne Vulgaris (JJ Medicine)
Pathogenesis, influencing factors, and treatment complications.
Acne Vulgaris vs Acne Rosacea
Key clinical differences and treatment approach comparison.
Acne Rosacea
Erythematotelangiectatic, papulopustular, phymatous, and ocular subtypes.
Rosacea (JJ Medicine)
Triggers, types, signs, and treatment approach.
Rosacea: What to Avoid | Common Triggers
Dietary, environmental, and lifestyle triggers to minimize.
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Blistering & Autoimmune Skin Disease
5 videosPemphigus Vulgaris vs Bullous Pemphigoid
Intraepidermal vs subepidermal blisters — Nikolsky sign, IF patterns, and treatment.
Anaphylactic Shock | Distributive Shock
Anaphylaxis pathophysiology — IgE-mediated, mast cell degranulation, and epinephrine.
Vitiligo | Skin Depigmentation
Autoimmune melanocyte destruction — distribution, associations, and treatment.
Lupus Pernio — Mnemonic
Sarcoidosis skin manifestation — violaceous nodules on nose and cheeks.
Ichthyosis Vulgaris
Filaggrin deficiency — dry, scaly skin, and keratosis pilaris association.
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Skin Cancers & Cutaneous Signs of Malignancy
21 videosSkin Surgery — Melanoma, BCC, SqCC
Skin cancer surgery — excision margins, Mohs, and sentinel node biopsy.
Seborrheic Keratosis (Age Spots)
Benign stuck-on papules — differentiation from melanoma and treatment.
Keratoacanthoma | Fast-Growing Tumor
Rapidly growing dome-shaped nodule that self-resolves — SCC differential.
Leser-Trélat Sign | Skin Sign of Cancer
Sudden eruption of seborrheic keratoses as paraneoplastic sign.
Leser-Trelat vs Seborrheic Keratosis
When age spots signal cancer — clinical differentiation.
Trousseau Syndrome | Sign of Visceral Malignancy
Migratory thrombophlebitis as marker of occult cancer.
Xeroderma Pigmentosum
DNA repair defect — extreme UV sensitivity and early skin cancers.
Café-au-Lait Spots | Hidden Clues
NF1, McCune-Albright, and other syndromes with CAL macules.
Skin Signs of Breast Cancer
8 dermatologic findings that could signal breast malignancy.
Skin Findings Linked to Lung Cancer
8 cutaneous clues before respiratory symptoms appear.
Face Findings Revealing Lung Cancer
7 facial changes associated with pulmonary malignancy.
Hand Changes Signaling Lung Cancer
5 hand findings — clubbing, hypertrophic osteoarthropathy, and more.
Skin Signs of Esophageal Cancer
4 cutaneous findings before swallowing difficulties appear.
Skin Signs of Pancreatic Cancer
6 warning signs — jaundice, panniculitis, and paraneoplastic findings.
Bizarre Signs of Pancreatic Cancer
4 unexpected presentations of pancreatic malignancy.
Skin Clues of Thyroid Cancer
3 dermatologic signs associated with thyroid malignancy.
Skin Signs of Ovarian Cancer
9 dermatologic signs associated with ovarian malignancy.
Skin Findings of Cervical Cancer
4 cutaneous clues that warrant cervical cancer screening.
Skin Changes of Testicular Cancer
5 hidden cutaneous signs of testicular malignancy.
Skin Findings of Liver Cancer
8 dermatologic clues linked to hepatic malignancy.
Hand Changes of Stomach Cancer
3 hand findings linked to gastric malignancy.
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Nail & Hair Disorders
13 videosBrittle Nail Syndrome
Causes, supplements, and treatment for fragile nails.
Onychogryphosis | Thickened Yellow Nails
Ram's horn nails — causes, diagnosis, and management.
Ingrown Toenail (Onychocryptosis)
Risk factors, conservative treatment, and surgical options.
Iron Deficiency & Nail Health
Koilonychia and brittle nails from iron deficiency.
Celiac Disease & Nail Health
Nail changes associated with celiac — ridging and brittleness.
Skin Tags (Acrochordons)
Causes, insulin resistance association, and removal methods.
Black Hairy Tongue
Elongated filiform papillae — causes and management.
Lingua Plicata (Fissured Tongue)
Cracked tongue — causes, Melkersson-Rosenthal syndrome.
Perianal Skin Tags
Crohn's association and when further investigation is needed.
Menkes Disease | Kinky Hair Syndrome
Copper transport deficiency — kinky hair, neurodegeneration.
Testosterone vs DHT
Androgen effects on hair — alopecia, hirsutism, and 5-alpha reductase.
Hidradenitis Suppurativa
Pathophysiology, triggers, staging, and treatment options.
Hidradenitis Suppurativa: New Risk Factor
Emerging risk factors and clinical associations.
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Cutaneous Signs of Systemic Disease
13 videos10 Hidden Signs of Anemia on Skin & Nails
Pallor, koilonychia, angular cheilitis, and other anemia indicators.
10 Skin Signs of B12 Deficiency
Hyperpigmentation, vitiligo, angular stomatitis, and glossitis.
Vitamin B3 Deficiency Signs (Pellagra)
Dermatitis, diarrhea, dementia — niacin deficiency on skin.
Pellagra (Vitamin B3 Deficiency)
NAD+/NADH deficiency — Casal necklace and photosensitive rash.
Vitamin B9 (Folate) Deficiency Symptoms
Skin lesions, insomnia, and neuropsychiatric manifestations.
Celiac Disease & Skin | 4 Findings
Dermatitis herpetiformis and other cutaneous associations.
4 Skin Conditions Linked to Celiac
Celiac-associated dermatologic conditions most people miss.
Oral Lesions & Associated Diseases
Oral mucosal findings indicating systemic disease.
Porphyria Cutanea Tarda
Porphyrin metabolism disorder — blistering, photosensitivity, and treatment.
Albinism — Why Does It Happen?
Melanin synthesis defects — genetics and clinical implications.
Albinism | Genetics & Types
OCA types, tyrosinase pathway, and associated conditions.
PPIs & Strange Skin Effects
3 unexpected dermatologic side effects of pantoprazole.
Diabetes Mellitus — Skin Manifestations
Acanthosis nigricans, necrobiosis lipoidica, and diabetic dermopathy.
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Antimicrobial Pharmacology for Skin
10 videosBacitracin
Topical antibiotic — mechanism, spectrum, and clinical use.
Polymyxins
Polymyxin B and colistin — gram-negative coverage and topical use.
Tetracycline
Broad-spectrum antibiotic — acne, rosacea, and Lyme disease.
Chloramphenicol
Mechanism, aplastic anemia risk, and gray baby syndrome.
Quinolones
Fluoroquinolones — mechanism, spectrum, and tendon toxicity.
Metronidazole
Anaerobic coverage — rosacea gel, BV, and C. diff.
Mupirocin
Topical anti-MRSA — impetigo and nasal decolonization.
Antifungal Antibiotics
Amphotericin, nystatin, azoles, terbinafine — mechanisms and uses.
Anti-Herpes Therapy
Acyclovir, valacyclovir, famciclovir — HSV and VZV treatment.
Lactobacillus — pH Regulation
Vaginal and skin flora — protective role and probiotic use.