Dermatology Conditions and Treatments Overview 2025/2026
QUESTIONS AND ANSWERS GUARANTEE A+
Streaks vesicular lesion - Photodermatitis - linear, herpes zoster rash, always unilateral
Cluster - Vesicles
Rubella - Scattered all over body
Blending - Confluent or coalescent rash clumped together
Annular - Bullseye - Lyme Disease
Annular red, white and blue lesion - Brown recluse spider bite
Actinic keratosis - Can turn in squamous cell carcinoma - on hands, scaly rough, treat with cryo
causes hypopigmentation is PERMANENT, 5FU 5%, imiquimod cream good for AK and genital
warts - side effect - skin will be very inflamed, topical diclofenac gel
Basal Cell Carcinoma - White pearly, nodular firm fixed, De Novo - new evolving lesión
Squamous Cell Carcinoma - Red, ulcerated, looks like it would be painful, has greater metastatic
risk, punch or shave biopsy - apply silver nitrate after
Malignant Melanoma - ABCDE pneumonic - If 2 or more features from the ABCDE are present -
do biopsy, Asymmetric, irregular Border, Color not uniform red brown, Diameter is >6mm,
Evolving - changing, growing
Psoriasis - Steroid
, Scabies - Burrows treat entire family with permethrin lotion, treat twice
Verruca Vulgaris - Imiquimod cream
Tinea pedis or jock itch - Topic ketoconazole
Pityriasis rosea - Harold's Patch
Body Surface - 1 palm = 1%
Contact dermatitis - Genitals, hands, feet or face regardless of percentage - give PO prednisone
Impetigo - Honey crusted (non bollae) between chin and nose - Bactroban
Bullous Impetigo - More serious - oral abx
Cellulitis in face - Emergency - Staph aureus MSSA, MRSA - If moderate - IV - If mild - PCN -
if allergic to PCN - Cephalosporin - If anaphylaxis angioedema - give Clinda
Paronychia - Nail infection- staphylococcus - skin, staph, cephalexin - Keflex best abx
Lichen Simples Chronicus - From itching - Eczema/Psoriasis rash - Topical Steroids - Auspitz
sign - psorias plaques fall off when touched
Lichen Sclerosis - Post-menopausal, genitalia - High risk for Squamous cell carcinoma - Topical
steroids high potency: Clobetasol
QUESTIONS AND ANSWERS GUARANTEE A+
Streaks vesicular lesion - Photodermatitis - linear, herpes zoster rash, always unilateral
Cluster - Vesicles
Rubella - Scattered all over body
Blending - Confluent or coalescent rash clumped together
Annular - Bullseye - Lyme Disease
Annular red, white and blue lesion - Brown recluse spider bite
Actinic keratosis - Can turn in squamous cell carcinoma - on hands, scaly rough, treat with cryo
causes hypopigmentation is PERMANENT, 5FU 5%, imiquimod cream good for AK and genital
warts - side effect - skin will be very inflamed, topical diclofenac gel
Basal Cell Carcinoma - White pearly, nodular firm fixed, De Novo - new evolving lesión
Squamous Cell Carcinoma - Red, ulcerated, looks like it would be painful, has greater metastatic
risk, punch or shave biopsy - apply silver nitrate after
Malignant Melanoma - ABCDE pneumonic - If 2 or more features from the ABCDE are present -
do biopsy, Asymmetric, irregular Border, Color not uniform red brown, Diameter is >6mm,
Evolving - changing, growing
Psoriasis - Steroid
, Scabies - Burrows treat entire family with permethrin lotion, treat twice
Verruca Vulgaris - Imiquimod cream
Tinea pedis or jock itch - Topic ketoconazole
Pityriasis rosea - Harold's Patch
Body Surface - 1 palm = 1%
Contact dermatitis - Genitals, hands, feet or face regardless of percentage - give PO prednisone
Impetigo - Honey crusted (non bollae) between chin and nose - Bactroban
Bullous Impetigo - More serious - oral abx
Cellulitis in face - Emergency - Staph aureus MSSA, MRSA - If moderate - IV - If mild - PCN -
if allergic to PCN - Cephalosporin - If anaphylaxis angioedema - give Clinda
Paronychia - Nail infection- staphylococcus - skin, staph, cephalexin - Keflex best abx
Lichen Simples Chronicus - From itching - Eczema/Psoriasis rash - Topical Steroids - Auspitz
sign - psorias plaques fall off when touched
Lichen Sclerosis - Post-menopausal, genitalia - High risk for Squamous cell carcinoma - Topical
steroids high potency: Clobetasol
