WBR0009

Author	PageAuthor::Anonymous (Edited by Ayokunle Olubaniyi
Exam Type	ExamType::USMLE Step 2 CK
Main Category	MainCategory::Internal medicine
Sub Category	SubCategory::Infectious Disease, SubCategory::Pediatrics
Prompt	[[Prompt::A 2-year-old female child presents with her mother to the ER with complaints of fever of 104.3°F (40.2°C) overnight. Her mother states that she also complained of muscle aches and sweating for the past 24 hours. Following a thorough physical examination, You initiated appropriate treatment and scheduled a follow-up appointment after 3 days. She presented on the third day with a diffuse maculopapular rash on her trunk, arms, and neck. She states that it is non-pruritic and not painful. What is the most appropriate next step in management?]]
Answer A	AnswerA::Start penicillin VK.
Answer A Explanation	AnswerAExp::This is a self-limiting viral infection. The use of penicillin is not indicated.
Answer B	AnswerB::Start azithromycin.
Answer B Explanation	AnswerBExp::This is a viral illness requiring supportive treatment only.
Answer C	AnswerC::Supportive care with tylenol or motrin.
Answer C Explanation	AnswerCExp::This depicts the best choice of management.
Answer D	AnswerD::Diphenhydramine.
Answer D Explanation	AnswerDExp::This is usually not indicated.
Answer E	AnswerE::Prednisolone (Prelone).
Answer E Explanation	AnswerEExp::The use of steroids is not indicated in the treatment of Roseola.
Right Answer	RightAnswer::C
Explanation	[[Explanation::This patient likely has Roseola or exanthem subitum (meaning sudden rash), also referred to as roseola infantum (or rose rash of infants), sixth disease (as the sixth rash-causing childhood disease) and (confusingly) baby measles, or three day fever. It is a benign disease of children, generally under two years old, whose manifestations are usually limited to a transient rash ("exanthem") that occurs following a fever of about three day's duration. It is caused by two human herpesviruses, HHV-6 (Human Herpesvirus Six) and HHV-7, also called Roseolovirus. Typically the disease affects a child between six months and three years of age, and begins with a sudden high fever of 102-104 degrees Fahrenheit (39-40 degrees Celsius). After a few days the fever subsides, and just as the child appears to be recovering, a red rash appears. This usually begins on the trunk, spreading to the limbs but usually not affecting the face. In contrast, a child suffering from measles would usually appear more infirm, with symptoms of conjunctivitis and a cough, and their rash would affect the face and last for several days. There is no specific vaccine against or treatment for exanthem subitum, and most children with the disease are not seriously ill. Treatment is usually supportive i.e., oral fluids and paracetamol/acetaminophen or ibuprofen to reduce their temperature (but never aspirin, due to the risk of Reye's Syndrome. The rash is not particularly itchy and needs no special lotions or creams. Educational Objective: Roseola is a self-limiting viral illness common among children less than 3 years of age. It usually presents as a maculopapular rash on the trunk, limbs and neck (sparing the face) shortly after an abrupt cessation of high fevers. Treatment is largely supportive, not requiring any antibiotics. References: http://www.wikidoc.org/index.php/Roseola]]
Approved	Approved::No
Keyword	WBRKeyword::Roseola, WBRKeyword::exanthem subitum
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