The treatments for trigeminal neuralgia-induced toothache include medication, physical therapy or laser, injection therapy, etc., as follows. 1. Medication: medication is usually preferred, and commonly used medications include carbamazepine, oxcarbazepine, phenytoin sodium, clonazepam and so on. 2. Physiotherapy or laser treatment: Physiotherapy or laser treatment for the pain area can be used with vitamin B1 or vitamin B12 and lidocaine with ionic introduction method, which will introduce the drug into the pain area. 3. Injection therapy: It is a common clinical treatment method, commonly used drugs include pure glycerin, adriamycin, anhydrous ethanol, etc., and the drugs will be injected into the trigeminal nerve trunk or trigeminal nerve semilunar ganglion. All of the above drugs should be used under the guidance of a doctor, and it is recommended to go to the hospital in time.