# Epilepsy or other condition likely to cause loss of consciousness — Medical conditions that disqualify a commercial driver under 49 CFR 391.41 For Epilepsy or other condition likely to cause loss of consciousness, standard, as the regulation states it is (8) Has no established medical history or clinical diagnosis of epilepsy or any other condition which is likely to cause loss of consciousness or any loss of ability to control a commercial motor vehicle;; paragraph is (b)(8); regulation section is 49 CFR 391.41, recorded from its source on 2026-08-31; source re-checked 2026-09-15. - **Disqualifying condition or standard:** Epilepsy or other condition likely to cause loss of consciousness _(our reading, not quoted from the source)_ - **Standard, as the regulation states it:** (8) Has no established medical history or clinical diagnosis of epilepsy or any other condition which is likely to cause loss of consciousness or any loss of ability to control a commercial motor vehicle; _(verified: appears in the quote below)_ - **Paragraph:** (b)(8) _(our reading, not quoted from the source)_ - **Regulation section:** 49 CFR 391.41 ## What the source says > (8) Has no established medical history or clinical diagnosis of epilepsy or any other condition which is likely to cause loss of consciousness or any loss of ability to control a commercial motor vehicle; ## Source - https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-391/subpart-E/section-391.41 Last verified: 2026-09-15. Review by: 2027-08-31. Part of [Medical conditions that disqualify a commercial driver under 49 CFR 391.41](https://referencesource.org/dot-cdl-medical-disqualifying-conditions/).