3 doctors weighed in:

Blood culture: can the consumption of antibiotics cause false positives?

3 doctors weighed in
Dr. Ankush Bansal
Internal Medicine
2 doctors agree

In brief: Opposite

Actually the opposite.
Use of antibiotics before obtaining a blood culture can result in a false negative. That's why it's recommended that blood cultures be obtained before antibiotics are administered if a blood infection is suspected. That's not always possible though.

In brief: Opposite

Actually the opposite.
Use of antibiotics before obtaining a blood culture can result in a false negative. That's why it's recommended that blood cultures be obtained before antibiotics are administered if a blood infection is suspected. That's not always possible though.
Dr. Ankush Bansal
Dr. Ankush Bansal
Thank
Get help from a real doctor now
Dr. Adam Levy
Board Certified, Obstetrics & Gynecology
33 years in practice
1M people helped
Continue
108,000 doctors available
Read more answers from doctors