In females, Grafyrec 900IU Injection helps in the release of an egg from the ovary (ovulation) who are not ovulating and also helps in developing more follicles (eggs) in women undergoing assisted reproductive technology procedures. In males, it helps in producing sperms which are due to a low level of hormones.
Migraine headaches are thought to result from the dilatation of blood vessels in the head. Sumatriptan works by constricting (narrowing) these blood vessels, thereby relieving the migraine headaches.