- get angry
- convulsions
- anemia
- Zinc deficiency in children
- X-linked lymphoproliferative disease
- Williams syndrome
- Viral pneumonia
- Transposition of the great arteries in newborns
- Thrush
- Subependymal cyst in newborns
- Subacute sclerosing panencephalitis
- Streptococcal infection
- Spinal muscular atrophy
- Speech and language disorders
- Small for gestational age (SGA)
- Sitosterolemia