VNS Therapy™ Safety FAQs

MRI can be safely performed with the VNS Therapy System provided specific guidelines are followed. Speak to your doctor about which areas of the body can be safely scanned. MRI scan requirements are different depending on your VNS Therapy device model and the implant location.

VNS Therapy has been studied for more than 25 years and has proven to be a safe and effective way of treating drug-resistant epilepsy. It is safe to use with other medicines with none of the side effects typical of anti-seizure medications. While there are some side effects, the most common can be reduced or eliminated by adjusting the device settings with your doctor.

The most common side effects of VNS Therapy include:

• Hoarseness
• Shortness of breath
• Sore throat
• Coughing

The most common side effect of the VNS Therapy implant procedure is infection. These side effects generally only occur during stimulation and usually decrease over time. You can find more safety information here.

Antitheft devices, airport security systems and other metal detectors should not affect the generator or be affected by it. As a precaution, however, move through them at a steady pace; do not linger in the area and stay at least 40 centimeters (16 inches) away from such equipment.