Pregnant
Meningeal signs are present
Acute angle closure glaucoma is suspected
Head trauma within the previous two weeks
Lumbar puncture within the previous two weeks
Thunderclap onset of the headache
Known allergy to one of the study drugs
History of intracranial hypertension
Is a prisoner
Patient declined informed consent
Non-English speaking patient or parent/guardian for pediatric patients
Attending provider excludes patient
Severe Dehydration

NCT03185130_exc_T1
Condition
Pregnant
NCT03185130_exc_T2
Condition
Meningeal signs
NCT03185130_exc_T3
Condition
Acute angle closure glaucoma
NCT03185130_exc_T4
Mood
suspected
NCT03185130_exc_T5
Condition
Head trauma
NCT03185130_exc_T6
Temporal
within the previous two weeks
NCT03185130_exc_T7
Procedure
Lumbar puncture
NCT03185130_exc_T8
Temporal
within the previous two weeks
NCT03185130_exc_T9
Condition
Thunderclap onset
NCT03185130_exc_T10
Condition
headache
NCT03185130_exc_T11
Condition
allergy
NCT03185130_exc_T12
Drug
study drugs
NCT03185130_exc_T13
Observation
History
NCT03185130_exc_T14
Condition
intracranial hypertension
NCT03185130_exc_T15
Person
prisoner
NCT03185130_exc_T17
Qualifier
Severe
NCT03185130_exc_T18
Condition
Dehydration
NCT03185130_exc_T16
Negation
declined