N-chlorophenylcarbamate and N-chlorophenylthiocarbamate compositions

A pharmaceutical composition comprising:

• a pharmaceutical carrier selected from the group consisting of lactose, sucrose, starch, glucose, methyl cellulose, cellulose, glycerin, magnesium stearate, silicon dioxide, dicalcium phosphate, calcium sulfate, mannitol, sorbitol, cyclodextrin, cyclodextrin derivative, gelatin, agar, a pharmaceutically acceptable fat, a pharmaceutically acceptable oil, a corn sweetener, a natural guru, a synthetic gum, a glycol, a soluble polymer, a biodegradable polymer, and a liposome;
• and
• a therapeutically effective amount of an N-chlorophenylthiocarbamate of the formula:
• wherein
• n is from 1 to 3,
• X is sulfur;
• and
• R is selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, cyclohexyl, phenalkyl of up to 8 carbon atoms, and phenyl, or a salt thereof.