Kanye West -- Hospitalized in Australia ... Horrible Migraine

Kanye West was rushed to the hospital with a throbbing headache while on tour down under ... but made a quick turnaround and was able to perform the same night.

Yeezus and his entourage rushed to the emergency room Wednesday in Melbourne after playing basketball.

Sources tell us Kanye had a pretty intense migraine. He was released later that afternoon after doctors checked him out and determined it wasn't serious.

The Australian media is claiming Kanye suffered seizure like symptoms ... but we're told it's not true.