Honey loquat syrup has been used in traditional Chinese medicine (TCM) for centuries to soothe sore throats, coughs, and hoarseness—symptoms frequently associated with laryngitis. The key ingredients, including loquat (Eriobotrya japonica) leaf and honey, are believed in TCM to have moistening, cooling, and anti-inflammatory properties that help relieve throat irritation and dryness. Historical texts and modern herbal compendia widely report its use for conditions involving the lungs and throat, and it remains a popular over-the-counter remedy in many Asian countries.

However, scientific evidence supporting honey loquat syrup specifically for laryngitis is limited. While some laboratory and animal studies suggest that loquat leaf extracts may possess anti-inflammatory, antioxidant, and antimicrobial properties, clinical trials focusing on laryngitis or voice loss are lacking. Honey itself is known to soothe mucous membranes and may have mild antimicrobial effects, but again, direct research on its efficacy for laryngitis is minimal. Overall, while its use is well-established in tradition and some ingredients have plausible mechanisms of action, robust scientific validation for honey loquat syrup in the treatment or support of laryngitis is currently insufficient.