For a truck driver, the DOT medical certificate matters as much as the license: without it you cannot drive. Many drivers pass without trouble, but others leave with a one-year or even three-month certificate because of something they could have prepared for. This guide helps you arrive ready.
Who needs a DOT physical?
Drivers of commercial vehicles on interstate routes, for example trucks over 10,001 pounds, hazardous materials vehicles or passenger transport. The certificate is renewed at most every 24 months, and your CDL can lose validity if it expires.
What usually shortens the certificate?
- High blood pressure. At 140/90 or higher a one-year certificate is common. With higher readings it may be only temporary until it is controlled.
- Uncontrolled diabetes. If you use insulin, you need form MCSA-5870 from whoever treats your diabetes, signed within the previous 45 days.
- Heart problems or sleep apnea without a recent specialist report.
- Medications that cause drowsiness or that you did not list in your history.
Two weeks before: how to prepare
- Check your blood pressure several times. If it is high, get care before the exam date.
- Take your medications as usual; do not stop them to "look better".
- Request reports from your cardiologist, pulmonologist or endocrinologist if you have a managed condition.
- Check your glasses or hearing aid and bring them.
On exam day
- Arrive rested and without a lot of coffee or energy drinks, which raise blood pressure.
- Bring your license, a list of medications with doses and your reports.
- Fill out the medical history honestly: leaving out a condition can cause bigger problems later.
What if the result is not what you expected?
It does not always mean losing your job. Sometimes controlling your blood pressure and coming back is enough, or bringing a missing report. The clinic's medical team explains what you need to complete the process.
The physical and the drug test are not the same
The physical checks your health. The DOT drug test is separate, and its results are reported to the federal Clearinghouse database according to the rules that apply to your employer. If you need both, ask about both when you call.
Walk-in DOT exam in northwest Houston
See our DOT physical and alcohol and drug testing. If you want to check your blood pressure or heart first, we also do electrocardiograms. We are at 2912 Mangum Rd, Suite A, open every day from 9 AM to 9 PM; call (832) 834-5507.
Sources: FMCSA: driver medical requirements · FMCSA: form MCSA-5870 · FMCSA Clearinghouse
