Viral load tests

Viral load tests check how well ART is working.

In the UK, you should have a viral load test four weeks after changing to a new combination.

This should be repeated every 1-2 months until your viral load becomes undetectable.

Viral load is then monitored every 6-12 months.

Related links:

• If your viral load never became undetectable.
• What to do if your viral load rebounds.
• Viral load blips.
• Confirmed viral rebound.

Last updated: 1 January 2025.