I see... so you are talking fixed dosage.
I have seen sumatriptan fixed in 6mg and 4mg doses. Â
Here is a partial list I found on what is out there.
ALSUMA Auto-Injector 6mg/0.5ml Solution for Injection, Imitrex 6mg/0.5ml Solution for Injection, Imitrex Statdose Cartridge 4mg/0.5ml Solution for Injection, Imitrex Statdose Cartridge 6mg/0.5ml Solution for Injection, Imitrex Statdose System 4mg/0.5ml Solution for Injection, Imitrex Statdose System 6mg/0.5ml Solution for Injection, Sumatriptan Succinate 4mg/0.5ml Solution for Injection, Sumatriptan Succinate 4mg/0.5ml Solution for Injection (Kit), Sumatriptan Succinate 4mg/0.5ml Solution for Injection (Refill), Sumatriptan Succinate 6mg/0.5ml Solution for Injection, Sumatriptan Succinate 6mg/0.5ml Solution for Injection (Kit), Sumatriptan Succinate 6mg/0.5ml Solution for Injection (Refill), Sumavel DosePro Needleless-System 6mg/0.5ml Solution for Injection