Guarana. Paullinia sorbilis. Brazilian Cocoa. N. O. Sapindaceae. Alcoholic solution of dried paste made from seeds.   Clinical.-Alcohol, effects of. Coffee, effects of. Diarrhoea. Eyelids, twitching of. Headache.   Characteristics.-Guarana

GUARANA Guarana (PAULLINIA SORBILIS) Contains a large percentage of Caffeine, which may explain its use as a remedy for certain forms os sick headache. Head.–Intellectual excitement. Sick headache in persons