Sphenopalatine Ganglion Block for Headache After Concussion

Exclusion Criteria

• •Allergy to local anesthetics of the amide type (for example (i.e.) lidocaine)
• •Frequent epistaxis (i.e. more than one nose bleed per month),
• •Bleeding disorders
• •History of any of the following: nasal or facial fracture, nasal septal defect, any other craniofacial abnormality, hepatic disease, Adam-Stokes syndrome, Wolff-Parkinson-White syndrome, or severe degrees of sinoatrial, atrioventricular, or intraventricular heart block
• •Pregnant
• •Are at increased risk for methemoglobinemia (including patients with glucose-6-phosphate dehydrogenase deficiency, congenital or idiopathic methemoglobinemia, cardiac or pulmonary compromise, and concurrent exposure to oxidizing agents or their metabolites and drugs associated with methemoglobinemia)