Boards Abx Flashcards
What bacteria’s cause conjunctivitis and what is used to treat it?
Staph aureus
Strep, pneumonia
H influenzae
Pneumonic: stupid, shy guys get crusty eyes.
Treatment
Cipro ocular drops
Polymyxin B with trimethropi 
Pneumonic: crusty eyes piss me off
What bacteria causes otitis externa
Pseudomonas
Staph aureus
What is the treatment for mild otitis external?
Acidic acid with propylene glycol and hydrocortisone otic drops
Brand name is VOSOL
What is the treatment for moderate to severe otitis externa?
Polymyxin B – neomycin – hydrocortisone drops
Or
Ciprofloxin otic drops
Pneumonic: crusty ears piss me off
What medication should be avoided if a ruptured TM is suspected?
Neomycin containing products
What is the treatment for otitis externa in a patient with HIV or immuno compromised?
Cipro Floxin orally due to risk for osteomyelitis of the skull or jaw
What is the treatment for strep pharyngitis?
Penicillin VK 500 mg TID times 10 days or
Amoxicillin 500 mg b.i.d. times 10 days
Or
Cephalosporin times 4 to 6 days
If severe penicillin allergy
Macrolide such as azithromycin times five days
What are the primary symptoms of scarlet fever in what is associated with?
Strawberry tongue
Sandpaper rash that starts at the head and moves downward
Skin desquamates
What are the complications associated with strep pharyngitis?
Scarlet fever
Acute rheumatic fever
Peritonsillar abscess
Poststreptococcal glomerulonephritis
What is the pharmacological therapy for actinic keratosis?
Topical five – fluorouracil (5-FU)
Imiquimod cream
topical, diclofenac gel
What are non-pharmacological treatment options for acinic keratosis
Photodynamic therapy w/ topical delta-aminolevulonic acid or
Cryosurgery with liquid nitrogen
Treatment for rosacea
Topical metronidazole
Treatment for psoriasis
Medium potency topical corticosteroids
Treatment for a verruca vulgaris
imiquimod cream
Treatment for tinea pedis
 Topical ketoconazole
What is a herald patch and what condition is associated with
The first Legion to appear in pityriasis rosacea. It appears about two weeks before a full break out. It is a single round to oval shape about 2 to 5 cm in diameter.
How does pityriasis rosacea present
Begins with a herald patch, which is an oval round shape lesion about 2 to 5 cm in diameter. two weeks later the patient breaks out in a rash containing oval lesions with find scales that follow skin lines of the trunk in a Christmas tree pattern. The color is typically salmon, pink may or may not be itchy.
What is the cause and duration of pityriasis rosacea
May be caused by a viral infection
Self-limiting rash should resolve in about four weeks
What is the topical treatment for poison ivy on non-sensitive body areas
Mid or high potency topical corticosteroids:
Triamcinolone 0.1% or clobestasol 0.5%
Pneumonic: I may try to clobber you with one or five clubs, if I have poison ivy
What formulation of topical steroids is preferred for poison ivy treatment
Ointments preferred over cream allows medication to contact skin longer
When should you use systemic steroids for poison ivy? And what is the dosing?
If the poison ivy covers greater than 20% of the total body, or there a large amount of blisters, or if the rash impacts the face genitals, hands, or if the rash impacts occupational function
Prednisone, 0.5-1mg/kg/day for 5 to 7 days follow up with an additional 5 to 7 days to minimize risk of recurrence of skin lesion
Taper not needed with short term systemic cortical steroid use less than 14 days in duration
What are the organisms that cause non-bolus impetigo
Staphylococcus aureus
Streptococcus pyogenes
What is the treatment for non-bullous impetigo
Topical mupirocin
What antibiotic is used to cover cellulitis
Penicillin VK or cephalexin (Keflex)