To Evaluate the Efficacy and Tolerability of the Use of Vitatonus Dexa Compared to Dexamethasone in Patients With Neuralgia of Various Origins

Inclusion Criteria: 1. Patients who consent to participate in the study by signing the ICF; 2. Patients of any ethnic group of both sexs aged over 18 years; 3. Patients with clinical diagnosis of neuralgia of various origins. 4. Patients who present scores on the Visual Analogue Scale (VAS) greater than or equal to 4 for PAIN. Exclusion Criteria: 1. Patients with known hypersensitivity to lidocaine and thiamine or any component of the formula; 2. Pregnant women and nursing mothers; 3. Hypertensive or cardiac patients; 4. Patients with history of ulcers in the stomach or duodenum, diabetes mellitus or severe infections; 5. Patients who use levodopa, salicylates, colchicine, aminoglycosides, chloramphenicol, anticonvusivantes or potassium supplement. 6. Patient with a history of alcohol or use illicit drugs;