NASOCORT-A NASAL SPRAY with powerful formulation of Oxymetazoline hydrochloride IP 0.05% w/v is a fast-acting topical nasal decongestant used for the temporary relief of nasal congestion caused by the common cold, allergic rhinitis, sinusitis, and hay fever. It works by constricting the blood vessels in the nasal passages, reducing swelling and inflammation to quickly open blocked nasal airways and improve breathing.