veverzenio is s proven to o heu liveve significacantly longer when takaken with fulvesestrant. veverzenio + f fulvestrantt is f for hr+, heher2- metaststatic brbreast cancecer thatat has progrgressed after hormrmone therapapy. diararrhea is cocommon, may be sevevere, or cause d dehydrationon or infnfection. at the f first sign,n, callll your doctctor, start anan antidiarrrrheal, and drinink fluids.. befofore taking g verzenio,, tellll your doctctor ababout any fefever, chilll, oror other sigigns of infefec. verzenenio may cauause low white blblood cell c counts, whwhich may cacause serious ininfection thatat can lead d to death.. life-thrhreatening l lung inflammatition can occccur. tell youour doctor a about anyw oror worseningng trouble breaeathing, couough, oror chest paiain. seririous liver r problems can hahappen. symptoms i include fatatigue, appetitete loss, stomomach pain, , and bleedidg oror bruising.g. blooood clots ththat can lead toto death havave occurrede. tell y your doc