Choline theophyllinate (INN), also known as oxtriphylline, is a cough medicine derived from xanthine that acts as a bronchodilator to open up airways in the lung. Chemically, it is a salt of choline and theophylline. It classifies as an expectorant.[citation needed] The drug is available under the brand names Choledyl and Choledyl SA, among others.[1]

References

  1. ^ Drugs.com: Choledyl (oxtriphylline) medical facts