This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Dosage: Purgative dose 0.05 gm. or 1 grain. In the treatment of chronic constipation aloin is frequently given in doses of from 0.005 to 0.02 gm. or 1/10 to 1/3 grain in combination with extract of belladonna and strychnin.
gm. or c.c.
Mix and make 1 pill or tablet.
Take 1 after supper or at bedtime; if at bedtime, with plenty of water and a cracker, or at least never on an empty stomach.