Pharmaceutical compositions for treating hemorrhagic stroke and brain damage induced by subarachnoid hemorrhage are disclosed. The pharmaceutical composition of the present invention comprises: an effective amount of NMDA agonist and a pharmaceutically acceptable carrier.本發明係有關於一種治療出血性腦中風及顱內蜘蛛膜下腔出血所導致之腦損傷之醫藥組成物,其中本發明之醫藥組成物包括:一有效劑量之甲基天門冬酸受體拮抗劑;以及一醫藥上可接受之載體。