Generic Imitrex is used for the treatment of migraine headaches with or without aura (eg, flashing lights, wavy lines, dark spots). An aura is a strange feeling or visual disturbance that warns you of an attack. It is not used to prevent migraines.
Viagra Super is proven to help in treatment of impotence and premature ejaculation. Antidepressants of the SSRI (selective serotonin and norepinephrine reuptake inhibitors) class have long been used off-label to delay orgasms.