Terpingidrat (Terpinum hydratum) is an expectorant. Receive from turpentine . Apply with chronic bronchitis at 0.25— 0.5 g 3 times a day. Terpinhydrate is contraindicated in diseases of the kidneys. Forms of release: powder and tablets on 0,25 and 0,5 g. Store in well corked container in the dry place. See also Expectorants.