General Flashcards
Acne tx - Mild, moderate, severe
Mild = topical - salicyclic, benzoyl, tretinoin topical Moderate = + ABX, minocycline or doxycycline Severe = Isotretinoin
Isotretinoin SE
Dry skin and lips, teratogenic, increased triglycerides/cholesterol, hepatitis
Atopic dermatitis (Eczema) flares
heat, perspiration, allergens, contact irritants (wool, nickel, food, synthetic fibers)
Atopy triad = 3 As
Allergic rhinitis, atopic dermatitis, asthma
Atopic dermatitis (Eczema) tx
1st = topical cortical steroids
Antihistamines for pruritus
Tx secondary staph infection
Severe = topical tacrolimus
TBSA for Minor and major burns
Minor = < 5% TBSA or <2% full thickness
Major = >20% or >10% full thickness
involving hands, face, soles, perineum, circumferential
Which diaper dermatitis involves and spares the genitocrural folds?
Irritant = spares folds Candida = involves folds
Perioral dermatitis tx and CI
Tx = topical metronidazole, can use erythromycin...PO minocycline or doxy CI = topical steroids = worsens
Drug eruption timing and MC drugs
5-14 days after starting medication or 1-2 days if previously sensitized
Penicillin, sulfa, NSAIDS and Allopurinol
How to differentiate Drug eruption angioedema from other angioedema causes
Drug eruption = No identifiable cause, no pruritus or urticaria
Erythema multiform triggers
- Infections
- Meds
- Other
Infections = HSV, mycoplasma, S. pneumoniae Meds = sulfa, beta-lactams, phenytoin, phenobarbital, allopurinol Other = Malignancy, autoimmune, Idiopathic
Impetigo causative organisms? Treatment?
S. aureus or Group A strep
Topical Mupirocin
Doxy, Bactrim, etc. if MRSA
Scabies pathognomonic
Linear burrows
Red itchy pruritic papules or nodules on scrotum, glans or shaft or body folds
What is the term for Athlete’s foot? Jock itch? Ring worm?
Tinea pedis
Tinea cruris
Tinea Corporis
Patient education if taking PO fluconazole
Do not shower for 2-3 hours after ingestion. Delivered to skin via sweat.
Urticaria treatment
1) H1 blocker antihistamine - 2nd gen preferred (Cetirizine, Loratadine)
2) add H2 = Ranitidine
HPV (Verrucae) Hallmark features
pinpoint black dots = thrombosed capillaries
Bleeds when shaved
Fungal pharyngitis tx
Miconazole, Nystatin swish & swallow
HIV+ = Fluconazole
2 causes of strawberry tongue
Scarlet fever
Kawasaki’s disease
Scarlet fever rash characteristics
diffuse erythema that blanches, sand paper texture rash that starts on axilla/groin and spreads to trunk - spares palms & soles
Allergic rhinitis and nasal polyps tx
Intranasal corticosteroids = Mometasone, fluticasone
MC cause of Epiglottitis? Dx and imaging finding? Tx
- H. Influenza B (HiB)
- Laryngoscopy = inflammation or Lateral soft tissue xray = thumbprint sign
- Airway management, dexamethasone for edema, 2nd/3rd gen cephalosporin
MC cause of Conjunctivitis - viral & bacterial
- Adenovirus
- S. pneumoniae, M. catarrhalis
Bacterial conjunctivitis tx
When to suspect gonococcal/Moraxella?
Erythromycin ointment
Contacts - pseudomonas = Ciprofloxacin
Gonorrhea = referral
Gonococcal/moraxella = copious discharge not responding to abx
