Can You Challenge a Breath Test in Florida?
If you were arrested for DUI and failed a breath test, you may be wondering whether that result can be challenged.
The answer is: yes, in some cases.
Breath test results are often a key part of the State’s case—but they are not always perfect. There may be legal or technical issues that affect the accuracy or admissibility of the results.
How Breath Tests Are Used in DUI Cases
In Florida, a breath test is used to measure your blood alcohol content (BAC).
If your BAC is:
0.08 or higher, it may be used as evidence of impairment
0.15 or higher, enhanced penalties apply
Learn more: blew over 0.08 in Florida →
Learn more: high BAC DUI (0.15+) in Florida →
However, the State must still prove that the test was properly administered and reliable.
Common Issues With Breath Tests
Breath tests can be challenged for a variety of reasons, including:
Improper Machine Calibration
Breathalyzer machines must be regularly maintained and calibrated. Errors in maintenance can affect results.
Failure to Follow Procedure
Officers must follow strict procedures, including observation periods before administering the test.
Medical Conditions
Certain medical conditions (such as acid reflux or diabetes) can impact breath test readings.
Rising Blood Alcohol Levels
Alcohol absorption can cause BAC levels to rise after driving but before testing.
Can a Failed Breath Test Be Beaten?
A failed breath test does not automatically mean a conviction.
In some cases:
Results may be excluded from evidence through a motion to suppress
Weaknesses may be used in negotiations
Charges may be reduced
Learn more about possible outcomes:
DUI vs reckless driving →
Every case depends on the specific facts and how the evidence is handled.
The 10-Day Deadline Still Applies
Even if your case involves a breath test, you still must act quickly to protect your license.
Learn more: Florida DUI 10-day rule →
Failing to act within this deadline can result in automatic suspension.
What Happens After a Breath Test DUI Arrest?
After a DUI arrest involving a breath test, your case will move through the legal process.
Learn more: what happens after a DUI arrest →
Understanding the process can help you make better decisions early in your case.
Cost of Fighting a DUI Charge
Challenging a breath test may involve additional legal work, but it can significantly impact the outcome.
Learn more about the cost of a DUI lawyer →
DUI Defense in Sarasota and Surrounding Areas
If you are facing DUI charges, working with a local attorney familiar with Sarasota courts can be an advantage.
Speak with a Sarasota DUI lawyer →
Speak With a DUI Defense Attorney
If you failed a breath test, it is important to understand that you may still have options.
A DUI defense attorney can review your case, identify potential issues, and help you determine the best path forward.
❓ FAQ SECTION
❓ Can a breath test be wrong in Florida?
Yes. Breath tests can be affected by machine issues, medical conditions, and procedural errors.
❓ Is a failed breath test enough to convict me?
Not necessarily. The State must still prove its case and follow proper procedures.
❓ Can I refuse a breath test in Florida?
Refusal has consequences, including license suspension, but it may affect how evidence is used.
❓ Can a DUI be reduced even after failing a breath test?
In some cases, yes—depending on the strength of the evidence and legal strategy.