
Why Are Medical Exams Necessary?
Why Are Medical Exams Necessary?
CDL holders are tasked with operating heavy vehicles, often over long distances. Regular medical exams are essential to ensure they:
- Are physically capable of handling the demands of driving commercial vehicles.
- Remain alert and responsive to driving conditions and hazards.
- Do not suffer from medical conditions that could lead to in-vehicle emergencies.
What is the DOT Medical Exam?
What is the DOT Medical Exam?
The DOT Medical Exam, conducted by a DOT certified medical examiner, includes:
- A health history review.
- Vision and hearing tests.
- Blood pressure and pulse rate assessments.
- Urinalysis.
- A thorough physical examination.
How Often Will You Need to Get Examined?
How Often Will You Need to Get Examined?
CDL drivers generally need a DOT medical exam every 24 months. Those with certain conditions may require more frequent exams. Not maintaining a current medical certificate can result in CDL suspension.

Regular Medical Exams
Regular medical exams, typically every two years, are mandatory for CDL holders to maintain their license.
Exam Components
These exams include vision and hearing tests, blood pressure checks, and comprehensive assessments of overall physical health.
Understanding the Requirements
Vision tests evaluate visual acuity, field of vision, and color recognition. A Vision Evaluation Report by an eye specialist is required.
How to Prepare Ahead
1
Schedule Your Exam
Schedule your medical exam in advance of your Medical Examiner’s Certificate expiration to avoid certification lapse.
2
Gather Required Documents
Prepare your medical history, current conditions, medications, and any relevant medical records for a smooth examination process.
3
Undergo the Examination
Complete the DOT physical examination with a licensed medical examiner.
4
Submit the ME Certificate
Provide your ME Certificate to your State Driver Licensing Agency (SDLA).
Bring corrective lenses or hearing aids to your exam; you’ll be tested while using them.
A healthy lifestyle not only aids in passing your medical exam but also enhances your overall experience as a CDL driver.
What Happens Afterwards?
1
Receive Your Medical Certificate
After passing the exam, you’ll receive a medical certificate to carry while driving commercially.
2
Submit to Your State DMV
Submit your medical certificate to your state’s DMV, adhering to local requirements.
3
Keep Track of Expiry Dates
Mark your calendar with your medical certificate’s expiry date and plan your next exam accordingly.
Always carry a copy of your medical certificate while driving. Failing to do so is a federal violation and can lead to penalties.
Common Questions
Is my state-specific CDL affected by the medical exam?
Is my state-specific CDL affected by the medical exam?
Yes, your state-specific CDL privileges depend on the outcome of the DOT medical exam, as required by federal and state agencies.
What happens if I fail?
What happens if I fail?
Failing the medical exam may disqualify you from holding a CDL, but you might be eligible for a waiver or a retest if your medical condition improves.
Can I use any doctor?
Can I use any doctor?
The DOT medical exam must be conducted by a medical examiner listed on the FMCSA National Registry.
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