Ohio lawEvidence

What Happens If I Refuse a Breathalyzer Test in Ohio?

September 22, 2026 · LawDiver Research Team

If you only remember one point about refusing a breathalyzer in Ohio, remember this: Refusal typically triggers an administrative license suspension (ALS) under R.C. 4511.191, often longer than a test-failure ALS for comparable priors. Breath refusal may be treated consistent with Birchfield; blood draws for criminal compulsion generally need a warrant or a recognized exception. Procedure, examples, and the opinions below hang off Ohio Rev. Code § 4511.191. Ohio's implied-consent statute requires chemical testing after a lawful OVI arrest; refusal has administrative ALS consequences.

Criminal consequences of refusal

Breath refusal may be treated consistent with Birchfield; blood draws for criminal compulsion generally need a warrant or a recognized exception.

Under Birchfield v. North Dakota, the Fourth Amendment allows criminal penalties for refusing a warrantless breath test incident to a lawful DUI arrest, but generally requires a warrant (or a recognized exception) before the State may impose criminal penalties for refusing a blood draw. Missouri v. McNeely rejected a per-se exigency based solely on natural dissipation of alcohol in the blood. Ohio statutes and case law implement those federal baselines with local detail.

Walking through Ohio facts

Use this walkthrough to see which Ohio authority does the work at each step.

A driver is arrested for DUI in Ohio and refuses the evidentiary chemical test after the implied-consent advisory.

  1. Identify the administrative consequence under Ohio Rev. Code § 4511.191: Refusal typically triggers an administrative license suspension (ALS) under R.C. 4511.191, often longer than a test-failure ALS for comparable priors.
  2. Separate that track from the criminal case: Breath refusal may be treated consistent with Birchfield; blood draws for criminal compulsion generally need a warrant or a recognized exception.
  3. Ask whether the refusal can be argued to the jury: BAC results are central OVI evidence; refusal is generally admissible in the criminal case.
  4. If the request is for blood rather than breath, apply the warrant rule: Breath is standard at stations; blood is used for drugs, hospital cases, or high-stakes OVI, usually under warrant when compelled.

In Ohio the refusal question is answered first by Ohio Rev. Code § 4511.191, then by the administrative deadline and the criminal case.

Can refusal be used as evidence?

BAC results are central OVI evidence; refusal is generally admissible in the criminal case.

Prosecutors often argue consciousness of guilt; defense counsel emphasize confusion, inadequate advisories, or medical inability to provide a sample. The precise jury instruction language is state-specific — search Ohio opinions for “refusal” and “implied consent.”

Breath tests versus blood tests

Breath is standard at stations; blood is used for drugs, hospital cases, or high-stakes OVI, usually under warrant when compelled.

Practical tip: a driver who refuses breath may still face a warrant-backed blood draw. Refusal does not create a permanent shield against chemical evidence; it mainly adds administrative (and sometimes criminal) consequences on top of the underlying DUI case.

Practical tips

  • Ask whether the stop and arrest were lawful — implied consent usually requires a lawful DUI arrest first.
  • Diary the administrative hearing deadline immediately.
  • Do not confuse portable roadside breath screens with the evidentiary breathalyzer at the station; statutes often treat them differently.
  • Research Ohio opinions on implied consent, refusal, and license revocation in LawDiver before a contested DMV hearing.

The State of Ohio v. Gustafson, Appellee The State of Ohio v. Mille — Patton, J., concurring in part and dissenting

The State of Ohio v. Gustafson, Appellee The State of Ohio v. Mille — Patton, J., concurring in part and dissenting, 76 Ohio St. 3d 425 (1996)

…in proving a drunk driving offense by enforcing a driver’s implied consent to chemical testing. Viewed in this light, the refusal to take a chemical test is grounded on conduct wholly different from the drunk driving offense and therefore is not the same criminal activity. Just this term in Dobbins v. Ohio Bur. of Motor Vehicles (1996), 75 Ohio St.3d 533, 537, 664 N.E.2d 908,…

Ohio opinions such as The State of Ohio v. Gustafson, Appellee The State of Ohio v. Mille — Patton, J., concurring in part and dissenting are cited where implied consent / breathalyzer refusal is disputed. The court stated: "Viewed in this light, the refusal to take a chemical test is grounded on conduct wholly different from the drunk driving offense and therefore is not the same criminal activity. Just this term in Dobbins v. Ohio Bur. of Motor Vehicles (1996), 75 Ohio St.3d 533, 537, 664 N.E." That is the language to brief; the rest of the decision supplies the procedural posture.

Cline v. Ohio Bureau of Motor Vehicles

Cline v. Ohio Bureau of Motor Vehicles, 61 Ohio St. 3d 93 (1991)

…he case before us raises questions with respect to the Ohio implied consent statute, former R.C. 4511.191. The issue presented is whether a licensee is subject to license suspension when he refuses to submit to a breathalyzer test on the grounds that the request was made more than two hours after he operated a vehicle while under the influence of alcohol on a public highway. Ap…

Ohio opinions such as Cline v. Ohio Bureau of Motor Vehicles are cited where implied consent / breathalyzer refusal is disputed. The court stated: "Ohio implied consent statute, former R.C. 4511.191." That is the language to brief; the rest of the decision supplies the procedural posture.

The State of Ohio, Appellant and Cross-Appellee, v. Hoover, Appellee and Cross-Appellant

The State of Ohio, Appellant and Cross-Appellee, v. Hoover, Appellee and Cross-Appellant, 123 Ohio St. 3d 418 (2009)

…, however, that he has a constitutional right to revoke his implied consent and that being forced by threat of punishment to submit to a *423chemical test violates his rights under the Fourth Amendment to the United States Constitution and Article I, Section 14 of the Ohio Constitution, which provide that persons, houses, and effects are protected against unreasonable search an…

Practitioners open The State of Ohio, Appellant and Cross-Appellee, v. Hoover, Appellee and Cross-Appellant when Ohio implied consent / breathalyzer refusal turns on the distinction in this sentence: ", however, that he has a constitutional right to revoke his implied consent and that being forced by threat of punishment to submit to a *423chemical test violates his rights under the Fourth Amendment to the United States Constitution and Article I, Section 14 of the Ohio Consti" Do not lift it out of the facts the court was deciding.

In re Brooks

In re Brooks, 27 Ohio St. 2d 66 (1971)

…dence of a chemical analysis of a defendant’s blood, urine, breath or other bodily substance withdrawn within two hours of the time of such alleged violation, the purpose of the law has been met if a defendant makes such bodily substances available to the police within such time as the test thereof may be used as evidence ; and thus that under R. C. 4511.191 the license of a pe…

Practitioners open In re Brooks when Ohio implied consent / breathalyzer refusal turns on the distinction in this sentence: "dence of a chemical analysis of a defendant’s blood, urine, breath or other bodily substance withdrawn within two hours of the time of such alleged violation, the purpose of the law has been met if a defendant makes such bodily substances available to the police within such time" Do not lift it out of the facts the court was deciding.

The STATE of Ohio, Appellee, v. KUTZ, Appellant

The STATE of Ohio, Appellee, v. KUTZ, Appellant, 87 Ohio App. 3d 329 (1993)

…ers then requested a blood sample from Kutz pursuant to the implied consent statute, R.C. 4511.191, which Kutz refused. Shortly thereafter, investigative officers obtained a search warrant authorizing Sergeant Jerry DuFour of the Ohio State Highway Patrol to obtain a blood sample from Kutz. Sergeant DuFour informed Kutz he had a search warrant to obtain a blood sample and showe…

Practitioners open The STATE of Ohio, Appellee, v. KUTZ, Appellant when Ohio implied consent / breathalyzer refusal turns on the distinction in this sentence: "Kutz pursuant to the implied consent statute, R.C. 4511.191, which Kutz refused. Shortly thereafter, investigative officers obtained a search warrant authorizing Sergeant Jerry DuFour of the Ohio State Highway Patrol to obtain a blood sample from Kutz." Do not lift it out of the facts the court was deciding.

The STATE of Ohio, Appellee, v. HOOVER, Appellant

The STATE of Ohio, Appellee, v. HOOVER, Appellant, 173 Ohio App. 3d 487 (2007)

…f the officer. At the time of the stop, Hoover withdrew his implied consent to search. A withdrawal of this consent results in a suspension of the driver’s license to drive. R.C. *491 4511.19.1(B). This statute has been reviewed and found to be constitutional by the Ohio Supreme Court. McNulty v. Curry (1975), 42 Ohio St.2d 341, 71 O.O.2d 317, 328 N.E.2d 798; Hoban v. Rice (197…

The STATE of Ohio, Appellee, v. HOOVER, Appellant is worth reading on Ohio implied consent / breathalyzer refusal because the court put the point in its own words: "At the time of the stop, Hoover withdrew his implied consent to search. A withdrawal of this consent results in a suspension of the driver’s license to drive. R.C. *491 4511.19.1(B). This statute has been reviewed and found to be constitutional by the Ohio Supreme Court. McNulty v." Use that passage as the starting point, then read the facts that precede it.

STATE of Ohio, Appellee v. Joseph MARTIN, Appellant

STATE of Ohio, Appellee v. Joseph MARTIN, Appellant, 111 N.E.3d 730 (2018)

…11 , 2017 WL 2541204 , ¶ 7, citing R.C. 4511.191(A)(2). The implied consent statute, as it applied to Mr. Martin at the time of his arrest, 1 required law enforcement officers to ask him to submit to a chemical test of his "whole blood, blood serum or plasma, breath, or urine *." Former 4511.191(A)(5)(a). The statute provided, in relevant part: A law enforcement officer who…

Ohio opinions such as STATE of Ohio, Appellee v. Joseph MARTIN, Appellant are cited where implied consent / breathalyzer refusal is disputed. The court stated: "WL 2541204 , ¶ 7, citing R.C. 4511.191(A)(2). The implied consent statute, as it applied to Mr. Martin at the time of his arrest, 1 required law enforcement officers to ask him to submit to a chemical test of his 'whole blood, blood serum or plasma, breath, or urine *." That is the language to brief; the rest of the decision supplies the procedural posture.

The STATE of Ohio, Appellee, v. GOTTFRIED, Appellant

The STATE of Ohio, Appellee, v. GOTTFRIED, Appellant, 86 Ohio App. 3d 106 (1993)

…mproper. A breath test coerced by the improper threat of an implied consent driver’s license suspension is inadmissible. State v. Szalai (1983), 13 Ohio Misc.2d 6, 13 OBR 142, 468 N.E.2d 396; State v. Chard (Feb. 24, 1984), Lucas App.No. L-83-308, 1984 WL 7788, unreported. Appellant questions how the same property can be private for purposes of justifying a stop for trespassing…

On implied consent / breathalyzer refusal, The STATE of Ohio, Appellee, v. GOTTFRIED, Appellant speaks to the Ohio dispute in this passage: "A breath test coerced by the improper threat of an implied consent driver’s license suspension is inadmissible. State v. Szalai (1983), 13 Ohio Misc.2d 6, 13 OBR 142, 468 N.E.2d 396; State v. Chard (Feb. 24, 1984), Lucas App.No. L-83-308, 1984 WL 7788, unreported." The surrounding opinion shows how the court applied that language to the record.

Key takeaways

  • Primary authority: Ohio Rev. Code § 4511.191.
  • Administrative hit: Refusal typically triggers an administrative license suspension (ALS) under R.
  • Criminal exposure: Breath refusal may be treated consistent with Birchfield; blood draws for criminal compulsion generally need a warrant or a recognized exception.
  • Evidence: BAC results are central OVI evidence; refusal is generally admissible in the criminal case.
  • Blood vs. breath: federal Supreme Court doctrine in Birchfield and McNeely still frames warrant rules.

Ohio's implied-consent statute requires chemical testing after a lawful OVI arrest; refusal has administrative ALS consequences.

Implied consent is not the same as a Miranda warning. Officers typically must advise of the consequences of refusal before requesting a chemical test. Failure to give a required advisory can affect whether the administrative suspension sticks — a frequent issue in Ohio appellate opinions.

License suspension and administrative hearings

Refusal typically triggers an administrative license suspension (ALS) under R.C. 4511.191, often longer than a test-failure ALS for comparable priors.

The DMV / administrative track often runs separately from the criminal DUI case. Missing the short window to request an administrative hearing can lock in a suspension even if the criminal charge is later reduced or dismissed. Always calendar the administrative deadline the same day as the arrest.

Frequently asked questions

What happens if I refuse a breathalyzer in Ohio?

Refusal typically triggers an administrative license suspension (ALS) under R.C. 4511.191, often longer than a test-failure ALS for comparable priors. Breath refusal may be treated consistent with Birchfield; blood draws for criminal compulsion generally need a warrant or a recognized exception.

Is refusal a separate crime in Ohio?

Breath refusal may be treated consistent with Birchfield; blood draws for criminal compulsion generally need a warrant or a recognized exception.

Will the prosecutor tell the jury I refused?

BAC results are central OVI evidence; refusal is generally admissible in the criminal case.

Do I need a warrant for a blood draw?

Breath is standard at stations; blood is used for drugs, hospital cases, or high-stakes OVI, usually under warrant when compelled. See also Birchfield and McNeely linked above.