respinQuick tips · Respin LS 2mg2mg Tablet is a combination medicine that helps treat schizophrenia or mania. · Trihexyphenidyl controls drug inducedRespin is a selective monoaminergic antagonist having a hh affinity for serotoninergic 5-HT2 and dopaminergic D2 receptors. Respin binds also to alpha1 adrenergic