. ▁When ▁used ▁in ▁a ▁ve in ▁on set ▁of ▁action ▁is ▁generally ▁within ▁one ▁minute ▁and ▁effects ▁last ▁for ▁up ▁to ▁ 1 0 ▁minutes . ▁ ▁Common ▁side ▁effects ▁include ▁low ▁blood ▁pressure , ▁increased ▁sal iva ▁production , ▁mus cle ▁pain , ▁and ▁r ash . ▁Ser ious ▁side ▁effects ▁include ▁m align ant ▁hyper ther m ia ▁and ▁all erg ic ▁re actions . ▁It ▁is ▁not ▁recommended ▁in ▁people ▁who ▁are ▁at ▁risk ▁of ▁high ▁blood ▁pot ass ium ▁or ▁a ▁history ▁of ▁my op ath y . ▁Use ▁during ▁pre gn ancy ▁appears ▁to ▁be ▁safe ▁for ▁the ▁baby . ▁S ux am eth on ium ▁is ▁in ▁the ▁neur om us cular ▁block er ▁family ▁of ▁medic ations ▁and ▁is ▁of ▁the ▁dep olar izing ▁type . ▁It ▁works ▁by ▁blocking ▁the ▁action ▁of ▁ac et yl ch oline ▁on ▁ske let al ▁mus cles . ▁ ▁S ux am eth on ium ▁was ▁described ▁as ▁early ▁as ▁ 1 9 0 6 ▁and ▁came ▁into ▁medical ▁use ▁in ▁ 1 9 5 1 . ▁It ▁is ▁on ▁the ▁World ▁Health ▁Organ ization ' s ▁List ▁of ▁Ess ential ▁Medic ines , ▁the ▁saf est ▁and ▁most ▁effective ▁medic ines ▁needed ▁in ▁a ▁health ▁system . ▁S ux am eth on ium ▁is ▁available ▁as ▁a ▁generic ▁medic ation . ▁The ▁wh oles ale ▁cost ▁in ▁the ▁developing ▁world ▁is ▁about ▁US $ 0 . 4 5 ▁to ▁US $ 1 . 3 1 ▁a ▁do