Can I Refuse a Breathalyzer Test?
Thinking about whether you can refuse a breathalyzer? Here's a general look at implied consent laws and what refusal typically means.
Physically, yes — legally, it's more complicated
In most states you can physically decline to blow into a breathalyzer. But nearly every state has an 'implied consent' law, meaning that by driving on public roads you're considered to have already agreed to testing if lawfully arrested for suspected DUI.
The consequences of refusal are usually automatic and separate
Refusing typically triggers its own license suspension through the DMV process, often independent of whether you're ultimately convicted of DUI. In some states, a refusal can also be used as evidence in the criminal case itself.
Field sobriety tests are often treated differently
Roadside field sobriety tests (like walking a line or standing on one leg) are generally viewed differently than a formal breath or blood test after arrest, and rules about whether you can decline them can differ from implied consent laws for chemical tests.
Why the decision is genuinely hard to make in the moment
Whether refusing helps or hurts a specific case depends heavily on the strength of the officer's other evidence, your state's penalties for refusal versus a failed test, and your prior record. There's no universal right answer.
Getting clarity after the fact
If you've already refused or aren't sure what happened, a licensed attorney can review your specific arrest report and explain what the refusal likely means for both your license and your criminal case.