What to Expect during the Exam

Why is the DOT Physical Exam Required?

The DOT physical ensures that drivers are capable of handling the physical and mental demands of operating large vehicles for long hours. Drivers often face stressful conditions, irregular eating and sleeping patterns, and the need for sustained concentration. The exam is designed to determine whether you are physically and mentally fit to handle these challenges, ensuring not only your safety but also the safety of others on the road.

Health Conditions that Could Disqualify Drivers

The DOT physical evaluates key areas such as vision, hearing, and balance, while also screening for health issues that might impact your ability to operate a commercial vehicle safely. Conditions that could disqualify you from passing the exam include:
  • Vision or hearing impairments
  • Epilepsy or seizure disorders
  • Uncontrolled high blood pressure (hypertension)
  • Heart or lung conditions
  • Uncontrolled Diabetes
  • Sleep disorders
  • Psychiatric disorders
  • Alcoholism or drug abuse

However, it's important to note that passing the DOT physical is not automatically ruled out for those with medical conditions. Many drivers with controlled conditions—such as well-managed diabetes or high blood pressure—can still pass the exam and receive their certication. After passing the exam, your medical certication will be valid for up to 24 months, though certain conditions like heart disease or diabetes may require a more frequent examination.

What to Bring to the DOT Physical

When you head to your DOT physical, make sure to bring:
  • Your current CDL or driver’s license, along with another photo ID.
  • Prescription glasses, contact lenses, hearing aids, or any prosthetics (if applicable).
  • Documentation from your doctor for any prescription medications you're taking.
  • Medical records if you have any condition for which you’ve received an exemption, such as diabetes or a prosthetic limb.

If you have any disqualifying conditions but have been granted an exemption, bring documentation that supports it, such as a valid Skill Performance Evaluation Certicate from the FMCSA for amputees.

Lastly, dress comfortably and wear loose fitting clothes to make the physical exam easier.

What to Expect During the Exam

The Certified Medical Examiner will conduct a series of tests to evaluate your overall health and ability to operate a commercial vehicle. Expect checks on your:
  • Blood pressure
  • Heart and lung function
  • Vision and hearing
  • Reflexes, balance, and coordination
  • Neurological function (such as speech and dexterity)

You’ll also be asked to provide a urine sample for analysis. The exam will check for abnormal levels of protein, blood, or sugar in your urine, which could indicate underlying health problems. However, it's important to note that the urine test does not screen for drugs—many employers conduct their own drug testing separately from the DOT physical. A blood test is not part of the DOT physical either.

The FMCSA’s Medical Examination Report Form, which the examiner will complete, includes sections on your medical history, any conditions you have, and the medications you take. This is a self-reporting section, so honesty is crucial. Failing to provide accurate information could invalidate your certication or lead to legal issues.

If you pass, you will receive a medical certicate valid for up to two years (or as specified based on your health condition).

How to Prepare for the DOT Physical

Since the DOT physical checks for common health issues like high blood pressure and diabetes, there are some steps you can take in advance to improve your chances of passing:
  • Avoid salty, sugary, or caffeinated foods and drinks in the 48 hours before the exam.
  • Stay hydrated by drinking plenty of water in the 24 hours leading up to the test.
  • Get a good night’s sleep in the days before the test.
  • Bring all required documents, and allow enough time to get to your appointment stress-free.

Staying Updated on DOT Physicals

To stay informed on any updates or changes regarding the DOT physical exam, be sure to regularly check the FMCSA website.

Download "What to Expect during the Exam" PDF.