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44 Cards in this Set
- Front
- Back
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Lyme disease is carried by what vector?
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Ixodes Tick
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75% of lyme disease develop a hallmark red rash on their body known as ______________________
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Erythema chronicum migrans aka bulls eye rash
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90% of patients are cured with abx tx.
Doxycycline or amoxocillin. In pregnant women- use ________ If penicillin allergies, use ______________? |
in pregnant women- use amoxocillin.
if pen allergies-- use azithromycin (500mg qd for 7-10 days) |
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What s the dosing schedule for doxycylcine?
For amoxicillin? |
Doxy- 100mg BID
Amox- 500 mg TID both go for 14-21 days, or 28 days if arthritis is present! |
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Cutaneous Larva Migrans is the most common tropical disease. It is found in larva of dogs & cat hookworms.
Where does it manifest on the body? |
The SOLE of the foot.
Also back, buttocks, thighs, cannot invade dermis! |
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Which of the following is the treatment of CLM?
10% topical Thiabendazole 20% topical Thiabendazole Tetracycline Topical Steroid Doxycycline |
10% topical Thiabendazole, applied 4 times a day for 2 days!
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Which stage of the arthropod bite rxn is the following--
An immediate wheel, delayed papule 24 hrs later |
Stage 3
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Which stage of the arthropod bite rxn is the following--
Immediate wheal, no papule |
Stage 4
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Bite is non-reactive. Which stage of the arthropod bite rxn is this?
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Stage 1
Stage 2 is a delayed red papule, 24hrs later |
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Which stage of the arthropod bite rxn is the following--
Immunologic tolerance and no rxn after prolonged exposure? HINT: THERE ARE 5 STAGES TOTAL |
Stage 5
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What course of action should follow a pt who has experienced a bee sting?
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R-I-C-E method.
Anti-histamines! Carry E P I - P E N |
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Brown recluses have a violin case marking. Black widows have a red hourglass. Which of these spiders can cause hemolysis and eventually lead to DIC?
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Brown Recluse.
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Mite sarcoptes scabiei is caused by var hominis. The hallmark of this condition is severe intense itching at night. It presents as red pruritic papulovesicular lesions. What is this condition?
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SCABIES
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What are some of the TX options for scabies?
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Lindane Lotion
Pemethrin Cream Sulfur ointment qd (one a day)for 3 days QID=4 times a day! |
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Crusted scabies is a much more severe variant. The pt's immunocompromised and experiences sensory neuropathy. What is the tx in this case?
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Oral Ivermectin (200micrograms/kg)
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What is the most COMMON dermatophyte?
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T- RUBRUM
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Tinea Unguinum is also known as----?
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Onychomycosis
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What are some of the ways one can diagnose tinea?
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KOH prep (take from active edge, or from roof of vesicle)
Fungal Culture Woods Lamp (helps differentiate between tinea & erythrasma) |
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BOARDS PART 2 Q:
The pitfall to using Saborauds agar for fungal culture is what? Dermatophyte test medium turns what color? |
You can have mold overgrowth.
Red |
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Tinea capitis is caued by what?
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T. tonsurans & M canis
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What is the 1st line tx for tinea capitis?
Hint: Hey man, Imma bust a CAP itis in TIN-ea's behind, but before I do . . . I have to go eat some GRIS-ssy ass fries. |
Oral griseofulvin w/ food. 4-6 weeks.
Do not use topical antifungals Selenium Sulfide (selsun blue) is OK |
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Tinea pedis occurs at this place__________ on the foot.
Describe how it looks. |
Interdigitally.
Scaling, macerations, fissuring, erythema of web spaces |
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What are the causative agents of t. pedis?
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T rubrum
T mentagrophytes |
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In tinea pedis, nails act as a reservoir. What is t.pedis relationship in families?
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It runs in families, and is contagious. they should wear shower shoes!
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What are some things pts can do at home to TX tinea?
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Powder the shoes
Air out shoes Bomb shoes w/ lysol |
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Tinea corporis occurs where on the body?
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On the trunk & the extremities
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T corporis is caused by what agent?
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T. rubrum
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What is an appropriate tx for t corporis?
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ORAL OR TOPICAL ANTI-FUNGAl
Ketoconazole, Terbanifine |
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What is the diff. diagnoses for T. corporis?
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Majochi's granuloma
It is a clinical variant of t corporis. Occurs in women w/ tinea who shave their legs. Presents as tender boggy papules on legs w/ pus. |
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What is the TX for majocchi's granuloma?
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Oral anti fungal.
Terbanifine! |
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Tinea versicolor presents how on the body?
a) red vesicular papules b) hyperpigmented papules with erythrasma c) painless nodules w/ erythrasma d) hyperpigmentation & hypopigmentation macular eruption |
D.
hyperpigmentation & hypopigmentation macular eruption (occurs thru melanocyte inhibition!) |
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Tinea versicolor commonly occurs in adolescents.
What are some of the appropriate tx? |
Ketoconazole
Selenium Sulfide Both of 4 weeks Topical azoles |
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Tinea of the hands is also known as?
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T. Manuum
commonly see "one hand, two feet" involvement. |
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Madura foot or Mycetoma is a localized destructive infection of the skin and subsequent that goes deep to muslce and tissue.
What is the appropriate tx? |
DAPSONE
ABX AMPUTATION. sux! |
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Chromomycosis is chronic and present for years w/o discomfort. It occurs predominantly in males.
It presents how? |
Red papules/ plaques/ verrocous like
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What are the 2 1st line topical anti fungals?
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Miconazole (Micantin OTC powder/cream)
Effective against dermatophytes, candida, mildly anti-bact Tolnaftate, Tinactin OTC powder/cream, effective only against dermatophytes |
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What is a bad ass anti fungal you should know seeing as how it is OTC, and its bad ass, and actually works well?
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LOTRIMIN- ULTRA
also rx as Mentax Applied for 1 month QD |
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Terbanifine or Lamisil is also OTC. What is the dosing?
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BID for 1 month
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Name some RX topical anti fungals!
DO IT NOW!! HINT: azolessss |
Econazole (spectazole cream)
Sertaconazole: Ertaczo cream Ketoconazole: Nizoral and Kuric Cream Ciclopirox: Loprox gel Naftitine: Naftin Cream |
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What are the BEST TX antifungals that also have anti inflammatory properties?
Shoot yourself if you don't know this. Seriously. |
Ciclopirox (Loprox) - available at central supply genius
Naftitine --------others--------- Terbanifine Ketoconazole |
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What do you use for interdigital tinea?
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castelli's paint (phenol!)
gentian violet betadine if ur desperate LOPROX GEL NAFTIN GEL |
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Got Candida? What do you use for tinea?
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Loprox
Lotrimin Sporonox Nizoral (ketoconazole) Micatin Nystatin |
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The most POTENT agent against dermatophytes is _______________
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Butenafine (Lotrimin Ultra)
Terbanifine (Lamisil) Naftitine (Naftin) Azoles!! |
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What is the avg dosing schedule for an anti fungal?
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BID/ FOR 2 WEEKS.
Standard is 4 weeks. If it doesnt work, think differentials! |
