No, you should not drive after ketamine treatment. All ketamine clinics and clinical guidelines require patients to avoid driving or operating heavy machinery for a minimum of 24 hours following an infusion. Ketamine causes temporary dissociation, perceptual changes, impaired coordination, and slowed reaction time that can persist for several hours after treatment, making driving unsafe even after the most noticeable effects have subsided.
Why the 24-Hour Restriction?
During a standard low-dose ketamine infusion (0.5 mg/kg IV over 40 minutes), patients commonly experience dissociation, blurred vision, dizziness, and altered depth perception. While the most prominent effects typically resolve within 1 to 2 hours after the infusion ends -- corresponding to ketamine's plasma half-life of 2 to 3 hours -- subtler cognitive effects can linger for several additional hours.
These residual effects include slowed reaction time, impaired judgment, mild drowsiness, and reduced attentional capacity. Studies measuring cognitive performance after sub-anesthetic ketamine have documented measurable impairments in attention and executive function for up to 4 to 6 hours post-infusion. The 24-hour restriction provides a substantial safety margin that accounts for individual variability in drug metabolism and sensitivity.
Even patients who feel subjectively "back to normal" within a few hours may still have subtle impairments that could affect driving safety. This is similar to the post-procedure guidance given after sedation for medical procedures such as colonoscopies.
Planning for Your Appointment
Because the driving restriction applies to every treatment session, patients should establish a reliable transportation plan before beginning ketamine therapy. Options include having a family member or friend drive, using rideshare services, or arranging medical transport. Some patients schedule treatments at the end of the day to minimize disruption.
Most ketamine clinics will not administer treatment unless the patient has confirmed a safe ride home. This is a standard safety protocol and not optional. Patients should also avoid making important decisions, signing legal documents, or operating any complex equipment during the 24-hour post-treatment window.
Beyond driving, patients should have someone available at home for the first few hours after treatment, especially during the initial infusion sessions when side effects may feel unfamiliar.
For a complete overview of treatment preparation and safety, see the Complete Guide to Low-Dose Ketamine Therapy.
References
- PubMed: Cognitive Effects of Ketamine in Healthy Volunteers — Review of ketamine's effects on cognition and psychomotor performance
- FDA: Spravato (Esketamine) REMS Program — FDA safety requirements including post-treatment monitoring and driving restrictions
- MedlinePlus: Ketamine Injection — National Library of Medicine patient safety information
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