The department for registering trigeminal neuralgia depends on the distribution of departments in the local hospital. Most commonly, registration is done in the department of functional neurosurgery. However, different hospitals may have different levels of specialization and may employ varying treatment methods which require different departments. For instance, initially, one can register at the department of neurosurgery for oral medication adjustment, usually with carbamazepine.

If there is no significant improvement later on, one may register with the department of pain management or anesthesiology for nerve block treatment. Due to the detailed specialization in some hospitals, it might also be necessary to consult other departments. If there is still no effective outcome, it is necessary to register at the department of neurosurgery for surgical treatment to fundamentally address the disease.