... and inflammation.Huperzine A is also known as HUP, hup A and selagine. In Chinese medicine, the extract of Huperzia ... serrata is known as Chien Tseng Ta and shuangyiping. Huperzine A derivatives are being ... , arrhythmias, seizures, urinary incontinence, increased urination and hypersalivation.Huperzine A should be avoided by children, pregnant women and nursing ...