Chickenpox (Varicella) (Fig. 14-1) |
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Diphtheria |
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Erythema Infectiosum (Fifth Disease) (Fig. 14-2) |
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Rash appears in three stages:
I—Erythema on face, chiefly on cheeks (“slapped face” appearance); disappears by 1–4 days
II—About 1 day after rash appears on face, maculopapular red spots appear, symmetrically distributed on upper and lower extremities; rash progresses from proximal to distal surfaces and may last ≥1 wk
III—Rash subsides but reappears if skin is irritated or traumatized (sun, heat, cold, friction)
In children with aplastic crisis, rash usually absent and prodromal illness includes fever, myalgia, lethargy, nausea, vomiting, and abdominal pain
Child with sickle cell disease may have concurrent vaso-occlusive crisis |
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Exanthem Subitum (Roseola Infantum) (Fig. 14-3) |
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Mumps |
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Measles (Rubeola) (Fig. 14-4) |
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Prodromal (catarrhal) stage—Fever and malaise, followed in 24 hr by coryza, cough, conjunctivitis, Koplik spots (small, irregular red spots with a minute, bluish white center first seen on buccal mucosa opposite molars 2 days before rash); symptoms gradually increasing in severity until second day after rash appears, when they begin to subside
Rash—Appears 3–4 days after onset of prodromal stage; begins as erythematous maculopapular eruption on face and gradually spreads downward; more severe in earlier sites (appears confluent) and less intense in later sites (appears discrete); after 3–4 days, assumes brownish appearance, and fine desquamation occurs over area of extensive involvement
Constitutional signs and symptoms—Anorexia, abdominal pain, malaise, generalized lymphadenopathy |
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Pertussis (Whooping Cough) |
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Catarrhal stage—Begins with symptoms of upper respiratory tract infection, such as coryza, sneezing, lacrimation, cough, and low-grade fever; symptoms continue for 1–2 wk, when dry, hacking cough becomes more severe
Paroxysmal stage—Cough most common at night; consists of short, rapid coughs followed by sudden inspiration associated with a high-pitched crowing sound or “whoop”; during paroxysms, cheeks become flushed or cyanotic, eyes bulge, and tongue protrudes; paroxysm may continue until thick mucous plug is dislodged; vomiting frequently follows attack; stage generally lasts 4–6 wk, followed by convalescent stage
Infants younger than age 6 mo may not have characteristic whoop cough but have difficulty maintaining adequate oxygenation with amount of secretions, frequent vomiting of mucus and formula or breast milk
Pertussis may occur in adolescents and adults with varying manifestations; cough and whoop may be absent; however, as many as 50% of adolescents may have a cough for ≤10 wk (American Academy of Pediatrics, Committee on Infectious Diseases, 2009)
Additional symptoms in adolescents include difficulty breathing and posttussive vomiting
(See also Immunizations, Chapter 10, for discussion of pertussis immunization schedule.) |
Preventive—Immunization; current belief is that childhood immunizations for pertussis do not confer lifelong immunity to adolescents and adults, so a pertussis booster is recommended for adolescents (see Chapter 10, Schedule for Immunizations)
Antimicrobial therapy (e.g., erythromycin, clarithromycin, azithromycin)
Supportive—Hospitalization sometimes required for infants, children who are dehydrated, or those who have complications
Increased oxygen intake and humidity
Adequate fluids
Intensive care and mechanical ventilation if needed for infants younger than age 6 mo
Complications—Pneumonia (usual cause of death in younger children)
Apnea (infants <1 yr)
Atelectasis
Otitis media
Seizures
Hemorrhage (scleral, conjunctival, epistaxis; pulmonary hemorrhage in neonate)
Weight loss and dehydration
Hernias (umbilical and inguinal)
Prolapsed rectum
Complications reported among adolescents include syncope, sleep disturbance, rib fractures, incontinence, and pneumonia (American Academy of Pediatrics, Committee on Infectious Diseases, 2009) |
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