Sumatriptan (as succinate) 4mg/0.5mL, 6mg/0.5mL; for SC inj. Imitrex Injection is supplied as a clear, colorless to pale yellow, sterile, nonpyrogenic solution as either prefilled syringe and/or ...

The elimination half-life of sumatriptan administered as a nasal spray is approximately 2 hours, similar to the half-life seen after subcutaneous injection. Only 3% of the dose is excreted in the ...