Hello Doctor, I recently had a TPHA test, and the results show a reactive obtained value but non reactive units. I am confused and would like to know whether this means the test is positive or negative, and what the final interpretation of the report would be.

Answered by 1 Apollo Doctors

Dr Dhankecha Dineshbhai

General Practitioner

MBBS
6+ Yrs

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A TPHA test Reactive means the test is positive, indicating past or present infection with syphilis. TPHA remains positive for life, even after treatment. To confirm if it is an active infection, you will need a VDRL test to check the activity level. Please consult your doctor for further evaluation and treatment if required.

Dr. Dhankecha Suggests...

Take a VDRL Test (Venereal Disease Research Laboratory) Test

Book VDRL Test (Venereal Disease Research Laboratory) Test

Answered 08/09/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.