This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
A phenol occurring in the volatile oil of Thymus vulgaris and in some other volatile oils.
Properties : Thymol occurs as large, colorless prisms, having an aromatic, thyme-like odor, and a pungent aromatic taste. It is only very slightly soluble in water (1:1,100), but very soluble in alcohol (1:0.9).
Action and Uses : Thymol is antiseptic and anthelmintic. As an anthelmintic it is used chiefly for the destruction of hookworm.
Dosage: 0.1 gm. or 2 grains.
In the treatment of hookworm disease it should be given in as finely divided state as possible in dosage of from 0.5 to 4 gm. or from 7½ to 60 grains. No fats, oils or alcohols should be given at the same time, for fear of absorption of the drug.
The dosage may be regulated according to age as follows: Up to 5 years of age, 0.5 gm.; up to 10, 1 gm.; up to 15, 1.5 gm.; up to 20, 2 gm.; above 20, 3 to 4 gm.