Inclusion Criteria:  Are overtly healthy as determined by medical evaluation. Body mass index (BMI) of 19 to 35 kilograms per meter squared (kg/m²).  Exclusion Criteria:  Have known allergies to lasmiditan, related compounds, or any components of the formulation of lasmiditan, or a history of significant atopy. Have an abnormal blood pressure and/or pulse rate, as determined by the investigator. Have clinically significant abnormalities on ECG, as determined by investigator. Have a history or presence of cardiovascular, respiratory, renal, gastrointestinal, endocrine, hematological, or neurological disorders capable of significantly altering the absorption, metabolism, or elimination of drugs; of constituting a risk when taking the study interventions; or of interfering with the interpretation of data. Have used or are intending to use over-the-counter or prescription medication, including dietary supplements, within 14 days prior to dosing and until study discharge (apart from occasional acetaminophen, hormonal contraception, or hormone-replacement therapy).