If you suspect nerve toxicity, stop using the lidocaine spray immediately. Treatment primarily focuses on discontinuing the drug and managing symptoms. For neuropathic (nerve) pain, a doctor may prescribe medications such as gabapentin, pregabalin, or low-dose amitriptyline. Vitamin B-complex supplements (especially B12) may also be recommended to support nerve recovery. Please do not self-medicate. Prolonged lidocaine overuse can lead to serious systemic toxicity affecting your heart and brain. It is crucial to consult a healthcare professional or neurologist immediately for a proper evaluation and a safe, prescription-based treatment plan.