Bruising
Mongolian spots (congenital dermal melanosis)
Bleeding disorders
Hemangiomas
Phytophotodermatitis
Malignancy
Connective tissue disease
Cultural healing practices (eg, coining and cupping)
Osteogenesis imperfecta
Vasculitis (Henoch-Schönlein purpura)
Ink stains (e.g. caused by new clothing)
Burns
Hypersensitivity reaction
Friction blisters
Impetigo (may be confused with cigarette burns)
Phytophotodermatitis
Dermatitis herpetiformis
Accidental laxative ingestion
Healing practices (eg, coining, cupping, and moxibustion)
Fractures
Rickets
Congenital syphilis (can cause periosteal elevation)
Birth<unk> 
CPR (rarely causes rib fractures and very rarely causes posterior rib fractures)
Osteogenesis imperfecta
Caffey disease
Osteomyelitis
Subdural hematoma
Bleeding disorders
Vascular malformations
Glutaric aciduria type 153
Benign extra-axial fluid
Menkes disease
Retinal hemorrhage
Vasculitis
Vascular obstruction
Vaginal delivery (generally disappear by 4 weeks of age)
CPR (retinal hemorrhages are rare after chest compressions and, if present, are usually in the presence of other risk factors for hemorrhage)
Mongolian spots (congenital dermal melanosis)
Bleeding disorders
Hemangiomas
Phytophotodermatitis
Malignancy
Connective tissue disease
Cultural healing practices (eg, coining and cupping)
Osteogenesis imperfecta
Vasculitis (Henoch-Schönlein purpura)
Ink stains (e.g. caused by new clothing)
Hypersensitivity reaction
Friction blisters
Impetigo (may be confused with cigarette burns)
Phytophotodermatitis
Dermatitis herpetiformis
Accidental laxative ingestion
Healing practices (eg, coining, cupping, and moxibustion)
Rickets
Congenital syphilis (can cause periosteal elevation)
Birth<unk> 
CPR (rarely causes rib fractures and very rarely causes posterior rib fractures)
Osteogenesis imperfecta
Caffey disease
Osteomyelitis
Bleeding disorders
Vascular malformations
Glutaric aciduria type 153
Benign extra-axial fluid
Menkes disease
Vasculitis
Vascular obstruction
Vaginal delivery (generally disappear by 4 weeks of age)
CPR (retinal hemorrhages are rare after chest compressions and, if present, are usually in the presence of other risk factors for hemorrhage)
Occult infection
Sepsis
Meningitis
UTI
Otitis media
Pneumonia
GI
Intussusception
GERD
Incarcerated hernia
Milk protein intolerance
Anal fissure
Ophtho
Corneal abrasion
Occult<unk> 
Hair tourniquet (on extremities, penis)<unk> 
Diaper pin
Insect bites
Burns in mouth
Misc
Colic
Scorpion envenomation
SVT
Testicular torsion
Drug exposure/overdose (commonly methamphetamine or cocaine)
Neonatal abstinence syndrome, drug withdrawal
Sepsis
Meningitis
UTI
Otitis media
Pneumonia
Intussusception
GERD
Incarcerated hernia
Milk protein intolerance
Anal fissure
Corneal abrasion
Hair tourniquet (on extremities, penis)<unk> 
Diaper pin
Insect bites
Burns in mouth
Colic
Scorpion envenomation
SVT
Testicular torsion
Drug exposure/overdose (commonly methamphetamine or cocaine)
Neonatal abstinence syndrome, drug withdrawal
Nonaccidental trauma
Bruising
Trauma 
Mongolian spots 
Abusive head trauma
Bleeding disorders
Submersion injury
Hemangiomas