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Author Question: A child has been receiving combination hydrocortisone-neomycin-polymyxin B eardrops for otitis ... (Read 64 times)

Marty

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on: Jul 23, 2018
A child has been receiving combination hydrocortisone-neomycin-polymyxin B eardrops for otitis externa for 3 days but still complains of difficulty hearing. The nurse notes redness and swelling of the canal.
 
  The nurse would be correct to suspect which of the following?
  a. Worsening of the otitis externa
  b. Allergy to the nonantibiotic component of the drops
  c. Neomycin toxicity
  d. Development of necrotizing otitis externa

Question 2

A patient has been diagnosed with fungal otitis externa (otomycosis). The nurse correctly explains that the first course of treatment the patient should expect is
 
  a. antibiotic ear drops.
  b. intravenous (IV) antifungal agents.
  c. acidifying drops for 1 week.
  d. oral antibiotics.


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duke02

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Reply #1 on: Jul 23, 2018
Answer to Question 1

ANS: C
Neomycin is ototoxic and can cause local swelling and erythema in about 15 of patients.
Most infections begin to improve in 3 days and resolve completely by 10 days. No substantial information points to worsening of the otitis externa.
An allergy to the nonantibiotic component of the drops is not a feasible option, because hydrocortisone reduces inflammation and edema.
Development of necrotizing otitis externa is highly unlikely. It is almost exclusive to two groups of high-risk individuals, the elderly with diabetes and the immunocompromised, especially those infected with the human immunodeficiency virus (HIV). None of the information given supports the likelihood that the child is immunocompromised.

Answer to Question 2

ANS: C
As a rule, otomycosis can be managed with thorough cleansing and application of acidifying drops (2 acetic acid solution applied three to four times a day for 7 days.) If that does not work, an antifungal drug solution can be tried. If the infection fails to respond to the drug, oral antifungal therapy may be needed.
Neither antibiotic ear drops nor oral antibiotics are indicated as the first course of treatment.
IV antifungal agents are not indicated at all.


Marty

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Reply 2 on: Jul 23, 2018
Excellent

kswal303

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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