Clinical Research Directory

Inclusion Criteria: 1. age 6-17 years, 2. diagnosis of acute bronchitis and the Total Bronchitis Severity Score of the patient is between 5-12 points, 3. informed consent form and patient information leaflet signed by the patient and the parent or legal guardian, and 4. no pregnancy, no planned pregnancy, and no breastfeeding. Exclusion Criteria: 1. allergy to the active ingredients or any other components of Elixirium thymi compositum, 2. hypersensitivity to plants of the Lamiaceae family, 3. chronic respiratory diseases such as asthma, chronic bronchitis, and chronic obstructive pulmonary disease, 4. pneumonia in the last year, 5. a history of recurrent or severe laryngotracheal stenosis due to inflammation,. 6. active or chronic inflammatory bowel disease (e.g., Crohn's disease, ulcerative colitis) or infectious enterocolitis, 7. heart failure (New York Heart Association Class II-IV), 8. smoking (the patient currently smokes or has smoked at least one cigarette, cigar, or pipe daily), 9. a diagnosis or history of lung cancer, 10. a history of lung or chest surgery, 11. epilepsy, 12. any viral infection in the last 6-8 weeks, 13. immunostimulant medications, antibiotics, or systemic steroid treatments in the past month, 14. antihistamines, expectorants, or local steroids applied in the last two weeks, 15. hereditary fructose intolerance, glucose-galactose malabsorption, or sucrase-isomaltase deficiency, 16. taking or planning to take hormonal contraceptives within the next 2 weeks 17. chronic liver disease (e.g., cirrhosis) or acute hepatitis.