side effect Synonyms

fallout by-product unwanted effects negative consequences adverse consequences secondary response final outcome negative effect side issue spinoff carryover after-effect negative impact unexpected result unwanted effect ill effects spillover effects secondary effects adverse reactions undesirable effect undesirable effects adverse event adverse effects secondary effect adverse impact adverse effect sidebar effect disease corollary consequence concomitant complication aftertaste aftermath aftergrowth aftercrop impact offshoot byproduct aftershock aftereffect follow through upshot result repercussion reaction outgrowth outcome afterclap