Prostigmin shine sunan alamar neostigmine na miyagun ƙwayoyi, wanda shine nau'in maganin cholinesterase inhibitor wanda ake amfani dashi don inganta ƙarfin tsoka da aiki a cikin yanayi irin su myasthenia gravis, cutar neuromuscular. Magungunan miyagun ƙwayoyi yana aiki ta hanyar hana rushewar acetylcholine, neurotransmitter wanda ke da mahimmanci ga aikin tsoka. Ba a samun kalmar "Prostigmin" a yawancin ƙamus saboda sunan mallakar wani takamaiman magani ne.