No, taking any antibiotic, including Doxycycline, will not change a Hepatitis C or HIV test result. Antibiotics treat bacteria but they do not work with viruses. Both Hepatitis and HIV are viral infections, so antibiotics will not cure them or have an effect on test results.
Please leave a comment to let us know if that answers your question or if you need more information.
For other readers, please feel free to leave a comment, or let us know if this was helpful.Please let us know if that answers your question or