Areca

Natural History.
     Betel Nut

General.
     Of use in Helminthiasis. Its alkaloid, AREOLIN HYDROBROM contracts the pupil, acting more promptly and energetically but of shorter duration than ESERINE. Serviceable in glaucoma. Acts also as a salivatory like PILOCARPINE. Also increases the amplitude of pulsations of the heart and promotes the contractibility of the intestines.