Sa/n. is an active principle (glucoside?) obtained from different species of
Willow. It has been used largely in the treatment of rheumatism in ordinary practice. It has had
some fragmentary provings, and Ringer experimented with it on three boys. The characteristics
of the Salicylic acid compounds were prominent—giddiness, confusion of the head, flickering
before the eyes, and tinnitus. The stomach was disordered, vomiting occurred. There was also
great instability of temperature. Chilliness, high temperature, and low temperature were induced.
Saln, has been commended in influenza by Stephen Mackenzie as less irritating than the
Salicylates and more effective.