Inclusion Criteria:

1. Provision of signed and dated informed consent form (in person or via telehealth)
2. Stated willingness to comply with all study procedures and availability for the duration of the study
3. Male or female, aged >18 years old
4. Ability to take oral medication and be willing to adhere to the study regimen as described in this protocol
5. Patients presenting with all types of post-concussive headache with >5/10 in severity on the numerical analog scale.
6. Headache that occurs for > 4 hours per day
7. Headache that occurs every day
8. Headache that began after concussion, patient was diagnosed at an outpatient clinic or was hospitalized
9. Headache developed within 7 days post-injury and patient presenting within 30 days from initial trauma
10. A diagnosis of concussion.
11. If a patient is taking another pain medication, this still be included in the stud

Exclusion Criteria:

1. Any evidence of known intracranial hemorrhage on neuroimaging
2. Headache developing after 7 days post injury and patient presenting after 30 days from initial trauma
3. Headache occurs < 4 hours per day
4. Headache does not occur daily
5. Age < or = 18
6. Headache is < 5 in severity on numerical analog scale
7. Presence of increase in intracranial pressure or papilledema
8. Any contraindication to corticosteroids
9. Allergy or sensitivity to corticosteroids
10. Active Tuberculosis
11. Active pregnancy
12. Currently on corticosteroids for another reason
13. Participants with fungal infection