Internal<unk> 
Mental status changes, headache, nausea and vomiting, irritability
Neck stiffness (33% of patients)
Fever is often absent
Abdominal pain (VP shunt)
External<unk> 
Swelling, erythema, tenderness along site of shunt tubing
Mental status changes, headache, nausea and vomiting, irritability
Neck stiffness (33% of patients)
Fever is often absent
Abdominal pain (VP shunt)
Swelling, erythema, tenderness along site of shunt tubing
Ventriculoperitoneal shunt infection
Ventriculoperitoneal shunt obstruction
Ventriculoperitoneal shunt complications
Ventriculoperitoneal shunt overdrainage 
Ventriculoperitoneal shunt overdrainage
Ventriculoperitoneal shunt mechanical failure
Brain herniation syndromes
Neoplastic meningitis