Best Japanese Allergy & Rhinitis Medicine 2026: 5 OTC Picks (Arerubi, Alesion 20, Chikunain)

Runny nose, a blocked nose, sneezing or thick sinus mucus — which Japanese medicine fits? We sort 5 Japanese OTC allergy and rhinitis picks (Arerubi fexofenadine, Sato Stonarhini S, Kobayashi Chikunain, Alesion 20 and Rohto Alguard Gold Z) by symptom, generation and form, with key ingredients and Japanese reference prices. Order the full Japanese lineup through FROM JAPAN, shipped by Japan Post.