• If a patient comes with fever with chills and rigors, think of Malaria in north and filaria in Vidarbha region in India.

• In malaria, chills are in the afternoon; in filaria, the chills occur in the evening.

• Fever with joint pains on extension often is due to Chikungunya (flexion improves the pain)

• Think of dengue if there is fever with itching, rash and periorbital pain.

• In fever with single chills, think of pneumonia.

• Fever with sore throat, no cough, no nasal discharge: Think of streptococcal sore throat, especially in the children.

• Fever with red angry–looking throat: Think of streptococcal sore throat

• Fever with red epiglottis: Think of Hemophilus infection

• Fever with cough and or nasal discharge: Think of common flu

• Fever with cough, nasal discharge, nausea and vomiting: Think of H1N1 flu

• Fever with toxic look, persistent fever: Look for typhoid

• Fever with no or low rise in pulse: Look for typhoid

• Fever with urinary symptoms (burning, frequency): Rule out urinary infection.

• Fever with high TLC (white cell count) and liver pain: Rule out liver abscess

• Fever with watery diarrhea, with no blood or mucous: Rule out acute gastroenteritis • After the fever is over, jaundice appears: This is viral hepatitis

• After the fever is over, one feels very weak: Rule our dengue hemorrhagic fever.