Approach to a child with fever
Associated signs and symptoms

Cough, cold, breathlessness -
URTI, bronchitis, pneumonia, empyema, sinusitis, lung abscess, otitis media, pharyngitis.

Vomiting, pain in abdomen -
Hepatitis, appendicitis, enteric fever, amoebas.

Post -tussive vomiting -
Pertussis.

Projectile vomiting -
Meningitis.

Jaundice -
hepatitis.

Splenomegaly -
malaria, kala-azar, infectious mononucleosis, lymphoma, enteric fever, bacterial endocarditis.

Headache -
sinusitis, otitis media, meningitis.

Skin rash -
measles, chickenpox, rubella, meningococcemia, fifth disease, rickettsia.

Joint swelling -
septic arthritis.

Lymphadenopathy -
Tuberculosis, Toxoplasmosis, Infectious mononucleosis, Brucellosis, HIV, lymphoma.

Conjunctivitis -
Bulbar conjunctivitis-Kawasaki's disease, leptospirosis
Palpebral conjunctivitis-measles, infectious mononucleosis.