Menthol is used in analgesic balms and also in foods and oral hygiene products for its fresh cooling sensation, menthol enhances cooling by interacting with the cold-sensitive thermoTRP channel TRPM8. L-Menthol has antiperistaltic and anti-inflammatory effects, clinical trials investigating the potential therapeutic efficacy of L-menthol for treatment of chronic inflammatory disorders such as bronchial asthma, colitis and allergic rhinitis seem worthwhile, it sprayed on the gastric mucosa significantly suppresses peristalsis with minimal adverse drug reactions during upper GI endoscopy. (-)-menthol is a p-menthan-3-ol which has (1R,2S,5R)-stereochemistry. It is the most common naturally occurring enantiomer. It has a role as an antitussive, an antispasmodic drug and an antipruritic drug. It is an enantiomer of a (+)-menthol.