NASZOL NASAL SPRAY with powerful formulation of Zolmitriptan IP 5.00% w/v +Benzalkonium Chloride IP 0.01% w/v The nasal spray formulation provides rapid absorption and fast relief from migraine symptoms such as moderate to severe headache, nausea, vomiting, and sensitivity to light and sound, making it especially useful for patients who experience nausea or difficulty swallowing tablets during a migraine attack. It is not intended for the prevention of migraine or for the treatment of cluster headaches.