Paullinia cupana, in the Austrian and Spanish standards as P. sorbilis. Official in Austria, Hungary, Mexico, Spain, Switzerland, and the U. S. Contains caffeine and theobromine and a fixed oil. Average dose, fl. 30 minims. The caffeine is sometimes called guaramine when derived from guarana; but the action is the same. See "Caffeine." Guarana is employed chiefly in the treatment of nervous sick headache and as a tonic, as is coffee and the other caffeine-bearers.