Chikungunya

A viral infection spread by Aedes mosquitoes that causes sudden fever and severe joint pain, which can last for weeks or months.

InfectionMosquito-borneLast updated: 21 October 2026

Quick Summary

Primary Symptoms

Sudden fever, severe joint pain and swelling, muscle pain, headache, rash and tiredness.

Common Treatments

Rest, fluids and paracetamol for pain and fever. Gentle exercise helps long-lasting joint pain.

Risk Factors

Living in or travelling to areas with Aedes mosquitoes, especially during the rainy season; older age for long-term joint pain.

OverviewSymptomsCausesTreatmentFAQ

Overview

Chikungunya is caused by a virus spread by the same Aedes mosquitoes that carry dengue. The name comes from a word meaning 'to become contorted', describing the bent posture caused by joint pain.

Fever usually settles within a week, but joint pain can continue for weeks, months or longer in some people. It's rarely life-threatening.

Symptoms

Sudden fever

Often high, lasting a few days.

Severe joint pain

Usually in several joints, such as hands, wrists and ankles, often on both sides.

Joint swelling

Joints may be swollen and stiff.

Rash and tiredness

An itchy rash and feeling exhausted are common.

Causes & Risk Factors

Biological Causes

Infection with the chikungunya virus, passed on by bites from infected Aedes mosquitoes.

Key Risk Factors

  • Mosquito exposure Standing water near homes allows Aedes mosquitoes to breed.
  • Older age Older adults are more likely to have long-lasting joint pain.
  • Other conditions Existing arthritis may make joint symptoms worse.

Management & Treatment

01. Rest and fluids

Rest during the fever and drink plenty of fluids.

02. Pain relief

Paracetamol for fever and pain. Avoid anti-inflammatory painkillers until dengue has been ruled out.

03. Long-lasting pain

Physiotherapy, gentle exercise and treatment from a doctor can help ongoing joint pain.

Frequently Asked Questions

How is it different from dengue?
Both cause fever, but chikungunya is known for severe, long-lasting joint pain, while dengue carries a greater risk of bleeding.
Can I get it again?
Usually one infection gives long-lasting protection.
How can I prevent it?
Prevent mosquito bites and remove standing water around your home.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.