Clinical Classification of Chikungunya Fever

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Chikungunya fever is classified in to three categories based on severity of clinical presentation.

Mild

• Low grade fever
• Mild arthralgia
• Mild focal myalgia
• General weakness
• Skin rash/itching

Moderate

• Low to high grade persistent fever
• Moderate arthralgia /arthritis
• Generalized myalgia
• Hypotension
• Mild bleeding
• Retro-orbital pain
• Oliguria

Severe

• Persistent high grade fever
• Severe arthralgia/Arthritis
• Persistent vomiting / Diarrhoea
• Altered sensorium
• Bleeding (GI bleeding due to use of drugs e.g. analgesics)
• Shock due to persistent vomiting and diarrhoea

High Risk group

Chikungunya infection with one of the following conditions may be considered as high risk.

a) Co-morbid condition

Hypertension, Diabetic, CAD/CVD, Geriatric age, Pregnancy, COPD,

b) Co-infection

Dengue, Tuberculosis, Enteric fever, Pneumonia, HIV, Malaria