The invention pertains to cooling agents comprising N-substituted
p-menthane-3-carboxamides, menthyl acetate and solubilizer, and methods
for making the cooling agents. The invention also concerns pharmaceutical
compositions comprising the cooling agents, including tablets,
suspensions and liquid solutions having active pharmaceutical agents for
treating upper gastrointestinal tract distress, and methods for treating
upper gastrointestinal tract distress in humans.