DOT Physical Exams - Merrill, WI

Merrill, WI DOT Physical - What You Need to Know

The Department of Transportation mandates a thorough medical assessment for all commercial vehicle drivers. This examination verifies that drivers are capable of handling large vehicles safely, both physically and mentally, on public roads. Conducted by a certified medical examiner found on the National Registry, passing this exam grants a DOT medical certificate, required for a valid CDL under FMCSA rules. Call us at 800-221-4291 for assistance determining the necessary DOT physical for your agency.

During your exam, the medical examiner will complete a thorough health assessment to determine if you meet the Federal Motor Carrier Safety Administration (FMCSA) medical standards. The process typically includes:

What Does a DOT Physical Include?

DOT Testing | DOT Breath Alcohol | DOT Consortium Services | MVR Reports Also Available

What Will Fail a DOT Physical?

Medical Conditions That Can Fail a DOT Physical

• Vision & Hearing: Vision worse than 20/40 in each eye (with correction), inability to distinguish traffic signal colors, or hearing loss that prevents hearing a forced whisper at 5 feet.
• Blood Pressure & Heart Disease: Uncontrolled hypertension (≥180/110 mmHg), recent heart attack, stroke, uncontrolled angina, or an implanted defibrillator without clearance.
• Diabetes: Uncontrolled diabetes with frequent low blood sugar episodes or complications (neuropathy, vision impairment) that interfere with safe driving.
• Sleep Apnea & Respiratory Issues: Untreated obstructive sleep apnea causing daytime drowsiness, or severe lung disease impairing oxygenation.
• Neurological Disorders: Epilepsy/seizure disorders (unless exempted), conditions causing sudden loss of consciousness, dizziness, or uncontrolled tremors.
• Substance Abuse: Current use of illegal drugs, alcohol dependence, or misuse of prescription medications that impair driving.
• Psychiatric & Cognitive Disorders: Severe uncontrolled psychiatric illness (e.g., schizophrenia, bipolar disorder with recent episodes) or cognitive impairment affecting judgment and reaction time.

Temporary vs. Permanent Disqualification: Some issues may only temporarily disqualify you until you provide medical clearance or documentation (e.g., controlled blood pressure, diabetes management). Others, such as untreated seizure disorders or implanted defibrillators, are generally considered permanently disqualifying under FMCSA rules.