Otrivin Adult Nasal Drops is used for the relief of congestion in the nose caused by various conditions including the common cold, sinusitis, hay fever, and allergies. It works by narrowing the blood vessels in the nose area, reducing swelling and congestion. It contains the active ingredient xylometazoline hydrochloride that helps to open up and clear nasal passages thus reducing nasal congestion. It is suitable for adults and adolescents over 12 years old for fast and effective relief of nasal congestion.