What to Expect During a DOT Physical Exam
Commercial drivers often walk into their DOT physical wondering exactly what the examiner will be looking for. Understanding the specific health areas covered during the exam helps you prepare properly and know what to expect during your evaluation.
Vision and Hearing Standards
The DOT physical begins with basic sensory testing that directly relates to driving safety.
Your examiner will check that you can see at least 20/40 in each eye, with or without corrective lenses. If you wear glasses or contacts, bring them — and it’s a good idea to bring a backup pair as well.
Peripheral vision is also assessed. The standard requires at least 70 degrees of side vision in each eye. Color recognition is tested since drivers must be able to distinguish traffic signal colors.
Hearing is evaluated using a simple method. You must be able to hear a forced whisper from five feet away, or demonstrate adequate hearing through audiometric testing. If you use hearing aids, wear them to your appointment.
Cardiovascular Health Assessment
Blood pressure is one of the most common factors affecting certification.
Below 140/90 → typically qualifies for a full 2-year certification
Above 140/90 → may result in shorter certification periods or require follow-up
Your examiner will also listen to your heart and assess for conditions that could impact safe driving. Be prepared to discuss any history of:
Heart attack
Heart surgery
Irregular heartbeat (arrhythmias)
Physical Examination Components
The physical exam evaluates multiple body systems to ensure you can safely operate a commercial vehicle.
Neurological:
Reflexes, coordination, and signs of conditions that could cause sudden incapacitation.
Musculoskeletal:
Ability to perform essential driving tasks, including:
Gripping the steering wheel
Operating pedals
Adequate range of motion
You don’t need to be an athlete, but you must have functional capacity for driving demands.
Abdominal and Respiratory:
Abdomen checked for masses or enlargement
Lungs evaluated through breathing patterns and sounds
If you have a history of sleep apnea, bring documentation showing treatment compliance.
Medical History Review
A thorough health history is part of every DOT exam.
Expect questions about:
Current medications
Past surgeries
Ongoing medical conditions
Certain medications — especially those that cause drowsiness — require careful review.
Diabetes:
Insulin-treated → requires specific documentation from your treating provider
Non-insulin-treated → must show stable control
Mental Health:
Conditions that affect alertness, judgment, or stability must be disclosed and may require clearance from your provider.
Urinalysis Testing
A urine sample is collected during every DOT physical.
This test screens for underlying health conditions such as:
Diabetes
Kidney issues
Important: This is not a drug test. DOT drug testing is a separate process handled by employers.
How to Prepare for Your DOT Physical
Being prepared helps avoid delays or certification issues.
Bring the following:
List of current medications (with dosages)
Glasses or contact lenses (and backup if possible)
Hearing aids (if applicable)
Medical records for ongoing conditions
Documentation from specialists (if required)
DOT Physicals in San Jose
If you’re a commercial driver in the San Jose area, Healing Touch Chiropractic in Evergreen provides DOT physical exams with certified medical examiners who understand FMCSA requirements.
If you’re unsure what documentation you need, reach out ahead of time — it can make your visit much smoother.