There are several classes of<unk> , such as dyspepsia, peptic ulcer disease (PUD), gastroesophageal reflux disease (GORD/GERD), or laryngopharyngeal reflux. The World Health Organization gives<unk>  in these classes the categorization code ATC code A02.
Drugs for acid-related disorders
Chiral drugs
Probiotics in children
Medications used in dentistry and periodontics
Soft diet
Therapeutic food
Sports nutrition
Protein supplement