Stona

Stona is a brand of over-the-counter (OTC) multi-symptom cold, flu, and cough remedies developed and marketed by Sato Pharmaceutical. The Stona product line includes various formulations tailored to specific cold symptoms, such as nasal congestion, sore throat, fever, and cough. Common active ingredients across the Stona line include acetaminophen (for pain and fever relief), dextromethorphan hydrobromide (cough suppressant), chlorpheniramine maleate (antihistamine), phenylephrine hydrochloride (nasal decongestant), and guaifenesin (expectorant). These products are widely available in Japan and other Asian markets in tablet, capsule, and liquid gel formulations.

Brand names

StonaStona CoughStona Gel Sinus EXStona IBStona-S