Timolol Eye Drops in the Treatment of Acute Migraine Headache

Inclusion Criteria: * Diagnosis of migraine headache Exclusion Criteria * Non-migraine headache * Use of systemic beta-blocker * Medical history of hypotension, bradycardia, syncope or other significant cardiovascular disease * Medical history of difficulty breathing, asthma or chronic obstructive pulmonary disease or other pulmonary disease * Medical history of glaucoma, ocular hypertension or hypotony, punctual stenosis, current use of other ophthalmic medications * Previous adverse reaction to timolol or other beta-blockers * Inability to self-administer eye drop due to physical or cognitive disorders * Currently pregnant or breastfeeding * Pregnant in the past year * Non-english speaker