Most children have some period of the day when they are most irritable, usually toward the evening:
Normal infant crying ranges from 1–4 hr by 6 wk of age.
During the 1st 6 mo of life,...
Chronology of events
Manage underlying conditions; stabilize airway, breathing, and circulation (ABCs).
Life-threatening underlying condition
Significant parental stress secondary to crying infant
No serious condition
Functional and supportive family
Address life-threatening/serious causes of irritability first:
Cardiovascular: Supraventricular tachycardia, congestive heart failure, endocarditis/myocarditis
Benjamin JS, Chong E, Ramayya MS. A preterm, female newborn with tachycardia, hypertension, poor weight gain, and irritability. Clin Pediatr (Phila). 2012;51(10):994–997.
780.91 Fussy infant (baby)
780.92 Excessive crying of infant (baby)
R68.11 Excessive crying of infant (baby)
R68.12 Fussy infant (baby)
444951002 fussy infant (...
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