This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
A balsam obtained from Toluifera Balsamum, a tree indigenous to New Granada.
Properties : Balsam of Tolu occurs as a yellowish-brown, plastic solid, becoming brittle when old, dried or exposed to cold. It is very soluble in alcohol, but nearly insoluble in water.
Action and Uses: Balsam of Tolu like balsam of Peru is expectorant and stimulant; it is not used externally at the present time. The use of balsam of Tolu in medicine is largely restricted. It is used as one of the ingredients of compound tincture of benzoin and as a flavor or pleasant vehicle in the form of:
 
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